?
查询技巧:
1、输入单个单词准确查询。
2、使用%模糊查询,匹配任意长度字符:
   %a    以a结尾的单词;
   ab%    以ab开头的单词;
   %ac%    含有ac的单词。
3、使用_模糊查询,匹配单个任意字符:
   _a_    三位且a在中间的单词;
   _ad    三位且ad结尾的单词;
   ac_    三位且ac开头的单词;
   _a    两位且a结尾的单词;
   a_    两位且a开头的单词。
4、带连字符-的单词,需含-字符才能模糊查询,如well-know需输入 well-% 。
5、在手机键盘上,如果g上有%和v上有_,则可长按输入。

particle emission

un. 微粒发射

1. The effect of oxygenated additive on particle emission is investigated.
研究了含氧燃料添加剂对柴油机微粒排放的影响。
2. We are able to measure the sun's particle emission and map its magnetic field.
我们可以测量太阳的粒子辐射和描记它的磁场。
3. In computation, the elastic scattering, inelastic scattering, charged particle emission and radiation capture are under consideration.
计算中考虑了弹性散射、非弹性散射、带电粒子发射和辐射俘获。
4. This paper describes the design of a total flow dilution system for the engine particle emission measurement. This system meets the requirement of vehicle engine emission measurement.
本文设计了一种发动机排放测量全流稀释系统,可以满足车用发动机排放测量需要。
5. Particle filters also shall be equipped with drainage device, so that regular emission liquid.
微粒过滤器还应当配备排水装置,以便定期排放液体。