?
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。

samplers
GRE

n. 采样(sampler 的复数);[自]取样器

1. Samplers can be actuated simultaneously or selectively using surface commands via annular pressure.
可以在地面通过环空压力下达指令,以便同时或选择性地触发取样器。
2. BGI samplers will provide the EPA with data to monitor the ambient air quality to protect both the environment and population.
BGI采样器将为美国环保署提供相应的空气质量数据,保护环境和当地居民。
3. However, due to different factors, the samplers sometimes mis operated, so that he lifetime of the samplers were greatly reduced.
由于各种原因,有时出现不该采样时的误启动,从而降低了仪器的使用寿命。
4. Inertial impactor is one of the most important particulate samplers, which is widely used for the atmospheric particulate classification.
惯性冲击器是最重要的颗粒物采样器之一,被广泛用于大气颗粒物的分级采样。
5. Presently, passive HTO samplers are being widely used abroad. It samples HTO in air based on the principle of gas molecular diffusion and permeation.
目前被动式氚取样器在国外取得了广泛的应用,它是基于气体分子扩散或渗透原理采集空气中氚化水蒸汽( HTO)样品的一种方法。