He had been sent to Rome by his employer.他已被老板派往罗马。They said she had a servile attitude to her employer.他们说她对她的老板阿谀逢迎。The police force is committed to being an equal opportunities employer.警方承诺向所有警员提供均等机会。...
There is a lot of concern over the amount of herbicides and pesticides used in farming.人们对农业上灭草剂和杀虫剂的用量非常担忧.Resistance of weeds to certain herbicides is beginning toshow up.杂草对某些除草剂的抗药性已显现出来.Arsenic is widely associated ...
因此,如果在某个地区内只在某单块抽样小区内采样,那末就可能得到某种较为含糊的结果.Thus setting up a single sample plot in an area can produce some rather bewildering result.用于修饰或说明不跨块界而包含在一单块中的记录 ( 或其它数据单位 )Pertaining to a record ( or other unit ); not crossing...