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- The results reveal that the increase of compression ratio advances the ignition timing of two stages, shortens the interval of the two stages and combustion duration. 结果表明：随着压缩比的升高，二甲醚的两阶段着火均有提前，且间隔减小，燃烧持续期缩短；
- While, the main parameters which show important influence on CO emissions are the maximum combustion temperature, pressure rising rate, IMEP, and combustion duration. 而影响CO的参数主要有最高燃烧温度、最大压力升高率和平均指示压力。
- Early exhaust valve closing ( EVC ) timings result in high residual fractions in the cylinder, decreasing air mass in cylinder per cycle, increasing combustion duration, and decreasing IMEP while the pumping loss is decreased. 排气门关闭越早,缸内的残余废气量增加,每循环进气量减少,燃烧持续期变长,PIMEP减小,然而泵气损失减小;
- Adding DMM in diesel fuel did less influence on the ignition delay and rapid burning duration while the total combustion duration would decrease with the increase of DMM in diesel fuel. 柴油中添加二甲氧基甲烷对滞燃期和急燃期影响不大，但总燃烧持续期随混合燃料中二甲氧基甲烷的增加而缩短。
- He finished the work of three years' duration. 他用三年的时间完成了这项工作。
- Well, I'm stuck here for the duration. 哎，这段时间我只得呆在这儿了。
- The duration of the examination is three hours. 考试时间为三个小时。
- A programmed time delay of variable duration. 暂停，展宽一种由程序设置的可变持续时间的时间延迟
- The combustion in the forest generated great damage. 森林火灾造成了巨大的损失。
- Short in time, duration, length, or extent. 短的指时间、期间、长度或广度短的
- Limited to the duration of an episode; temporary. 短暂的仅限于一个插曲持续的时间; 短暂的
- Is this agency agreement made for an unlimited duration? 本代理协议的期限是不限定的吗？
- The duration of such conditional release. 假释期这种有条件释放的期限
- Before mixing with the products of combustion, the air is preheated. 空气在与燃烧生成物混合之前要进行预热。
- They were put into detention camps for the duration. 他们被关在拘留营里直至战争结束。
- The smoke formed by their combustion is negligible. 由它燃烧所生成的烟是可忽略的。
- He was prepared to do this for the duration of the campaign. 他准备好在选举期间做这件事。
- The duration of marriage is related most obviously to the expectation of life. 很明显，婚姻生活的持续时间与人的预期寿命有关。
- Fuel gushes into the combustion chamber. 燃料喷进燃烧室。
- Let's hope the gunmen will hold off for the duration of the cease-fire. 但愿持枪歹徒在停火期间能约束自己的行动。
