accumulation 名词解释

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• We packed up the things wehad accumulated (积累) over the last three years and left.

  A . late B . recent C . past D . final

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• 集配站 accumulated and distributed car station

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• Which harmful consequence may be the result of lube oil sludge accumulation? （）

  A . Clogged oil pump suction screens B . Increased oil operating temperatures C . Sticking piston rings D . All of the above

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• One function provided by a hydraulic accumulator is to（）

  A . provide an area where air can separate from the oil B . provide an area to separate solid contaminants from the oil C . act as an oil and water separator D . absorb shocks occurring in the system

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• Scale accumulation on evaporator heat exchange surfaces （）.

  A . increases brine density B . increases distillate salinity C . reduces metal corrosion D . reduces heat transfer

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• 损伤蓄积（damage accumulation）

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• SONET Code Violations (CVs) totals in the PM tables are actually an accumulation of the number of （）.

  A . J0 errors detected in a specified interval B . errors detected in a given Errored Second (ES) C . errors detected in a given Severely Errored Second (SES) D . errors the encryption algorithm detects in a specified interval E . Bit Interleaved Parity (BIP) errors detected in a specified interval

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• Engine coolant accumulating in the diesel engine lubricating oil can result from a （）

  A . low oil pressure B . high coolant pressure C . leaking fuel injector D . cracked cylinder head or liner

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• Which statement is true regarding the retention policy for the incidents accumulated in the Automatic Diagnostic Repository （ADR）？（）  

  A .  The incident metadata is purged when the problem is resolved and the DBA closes the SR B .  The incident files and dumps are not retained in the ADR for the manually created incidents  C .  The incident files are retained but the incident metadata is purged when the problem is resolved and the DBA closes the SR D .  The default setting is for one year after which the incident metadata is purged from the ADR and the files are retained for one month

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• Which statement is true regarding the retention policy for the incidents accumulated in the AutomaticDiagnostic Repository (ADR)?（）

  A . The incident metadata is purged when the problem is resolved and the DBA closes the SR B . The incident files and dumps are not retained in the ADR for the manually created incidents C . The incident files are retained but the incident metadata is purged when the problem is resolved and the DBA closes the SR D . The default setting is for one year after which the incident metadata is purged from the ADR and the files are retained for one month

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• Water accumulation in the cylinder of a secured engine is an indication that the （）

  A . soft water pump was not secured along with the engine B . jacket water thermostat has failed C . cylinder liner may be cracked D . raw water pump is over-speeding just prior to engine shutdow

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• Which three technologies are used to reduce chromatic dispersion accumulation in fiber-optic transmission systems？（）

  A .  PIN photodiodes B .  zero-chirped lasers C .  Erbium-doped fiber amplifiers D .  dispersion compensating fiber E .  dispersion compensating Bragg grating

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• Improper cooling of a diesel engine cylinder liner due to the accumulation of scale deposits may cause （）.

  A . low compression pressure B . increased piston wear C . increased cylinder lube oil consumption D . poor contact between compression rings and liner

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• A hydraulic accumulator is designed to（）.

  A . store fluid under pressure B . act as a fluid reservoir C . provide overpressure relief D . replenish fluid to a system

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• Before doing any work on a hydraulic system equipped with accumulators, you should（）

  A . drain the accumulators and purge with oxygen B . bleed off all stored energy from the accumulators completely C . charge the accumulators to prevent system energy loss D . pump the hydraulic fluid into the accumulators to prevent fluid lo

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• 安全注射箱﹝压水堆﹞ accumulator

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• SDH Code Violations （CVs） totals in the PM tables are actually an accumulation of the number of（）.

  A .  J0 errors detected in a in a specified interval B .  errors detected in a given Errored Seconds （ES） C .  errors detected in a given Severely Errored Seconds （SES） D .  errors the encryption algorithm detects in a specified interval E .  Bit Interleaved Parity （BIP） errors detected in a specified interval

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• For many years marine centrifuges were designed for （） operation, that is the machines were run for a period during which solids accumulated in the bowlThe machine was stopped when the accumulated solids began to impair its performance.

  A、purifying B、batch C、long period D、temporary

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• Accumulations of oily rags should be（）.

  A . kept in nonmetal containers B . discarded as soon as possible C . cleaned thoroughly for reuse D . kept in the paint locker

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• 污染物累积指数 accumulation index of pollutants

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• With the accumulation of English, our English skills are _____( 提升 ).

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• While they were away on vacation, they allowed their mail to accumulate at the post office.

  A．be delivered B．pile up C．get lost D．be returned

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• 4、“不积跬步，无以至千里；不积小流，无以成江海”出自（） “If you do not accumulate small steps, you will not be able to travel thousands of miles; if you do not accumulate small streams, you will not be able to build rivers and seas.” comes from （)

  A．《荀子·劝学》 Xun Zi's Persuasion of Learning B．《老子》 Tao Te Ching C．《韩非子》 Han Feizi D．《孟子》 The Mencius

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• accumulator（）

  A．储压器 B．大约、大概、接近 C．结构 D．回油滤

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