The BOD test is essentially a bioassay procedure.BOD试验实际上是一项生物测定方法.The bioassay of freshwater sediment toxicity is described.描述了淡水沉积物毒性的生物测试方法.The field bioassay of 4 trunk injection insecticides ( 14 % Imidacloprid + DD...
Accidents are still the number one cause of premature death for Americans...交通事故仍然是造成美国人过早死亡的头号因素。Everyone is more reluctant to travel these days, not least the Americans.这段时间大家都减少了出游的欲望,美国人尤其如此。The Americans won't ...
内阁现在共有6张新面孔。All together there are six new faces in the cabinet.尼克环视着盯着自己的那一张张憔悴的面孔。Nick glanced around at the haggard faces watching him.克拉伦斯又板起面孔,模仿起上校来。Clarence screws up his face and imitates the Colonel again....
Further on, we can specify an algebra that consists of axioms for commutativity, distributivity, associativity, etc.进一步的, 我们可以定义包含交换律 、 分配律 、 结合律等公理的代数....
The walls on the outside were seamed with deep cracks which were a breeding - place for adders.墙外面深刻的裂缝是蝰蛇生息的场所.Or you can receive a pamphlet if you tell your adders.如果您留下地址的话,我们将寄一份本店的小册子给您.Full adders are discussed, an...