寄生物种可能和寄主不同步。
还有一些，尤其是那些生活在肠道内的寄生虫和病原体，会阻止它们的寄主吸收食物。
Some, particularly those that live in the gut, stop their host absorbing food.
上述捕虏体均与寄主玄武岩无成因关系。
No original relation was found between the xenoliths and the host basalt.
信息化合物对天敌选择寄主行为的影响。
The influences of semiochemicals on host selection behavior of natural enemies.
火烧直接影响森林昆虫的寄主和生存条件。
Fire can affect the host and life condition of forest pests directly.
温度与寄主植物是影响其发生的主要因素。
Temperature and host plant were the main occurrence factors.
性孢子器近圆瓶状，几乎全部突出寄主组织。
病毒在离开寄主（身体）之后很快就失活了。
The virus quickly becomes inactive when it is outside of its host (the body).
寄主植物种类。
在一定距离以外，蚜虫通常不能或难以识别其寄主植物。
In general an aphid cannot or hardly identify its host at a distance.
当林间目标寄主缺乏时，其它寄主可将食物链维系下去。
Other host insects could maintain the food chain when the target insect population was low.
生物因子诱导的植物抗病性是增强寄主抗病性的重要方法。
Resistance induced by biological factors is very important to a host plant.
生物因子诱导的植物抗病性是增强寄主抗病性的重要方法。
Resistance induced by biological factors is very important to a host plant.
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