单食性的

The biomanipulation of silver carp and bighead carp in poly-culture was better than that of individual culture, especially in the ecosystem of predominant silver carp.

滤食性的鲢、鳙鱼混养比单养更具有生物操纵能力，其中在鲢鱼的放养比例占优势的系统中对浮游生物的抑制作用更为明显。

Cyrtorrhinus lividipennis is a vital predator of planthoppers in rice fields, The life table of experimental population of C. lividipennis, rearing on replacement prey Corcyra cephalonica eggs was improved.

采用指形管单头饲养的方法，编制了稻飞虱的重要捕食性天敌黑肩绿盔盲蝽取食替代寄主米蛾卵的实验种群生命表。

The monophagous species must produce large quantities of an enzyme to detoxify their food.

单食性种类必须产生大量单一的酶使它们的食物解毒。

The majority of the insects feeding on or parasitizing in Picea crassifolia were monophagous or oligophagous; the minority of them were polyphagous. The insects feeding on or parasitizing in the bush layer and grass layer were largely polyphagous, a few were oligophagous, the oligophagous insects were very few.

在青海云杉寄生或取食的昆虫多数种类为单食性或寡食性，少数种类为多食性，取食或寄生于林下灌木层和草本层的昆虫大多数为多食性，少数种类为寡食性，较少为单食性。

The experimental result indicated that the predacious ladybugs'generation period is between 11 to 18 day, the female daily egg production is different in the 10~40 between July to August in Laiyang area of Shandong province.

实验结果表明在山东莱阳地区7.8月份的自然温度条件下捕食性瓢虫的世代历期为11-18天，成虫单雌每天产卵量在10-40粒不等。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。