查询词典 phototactic

To eliminate the"phototactic effect"fundamentally,the root cause of capitalist pri-vate ownership must be eliminated.

要从根本上消除高技术战争的&趋光效应&，必须消灭资本主义私有制这个总根源。

Repelled by light;exhibiting a negative phototactic or phototropic response .

避光的，怕光的被光排斥的；表现为阴性趋光的或趋光反应的

Roaches are negatively phototactic...

蟑螂是背光性的。。。

But the origi-nal cause for the advanced technology wars to produce the"phototactic effect"lies in the cx-istence of capitalist private ownership.

但产生高技术战争&趋光效应&的总根源，还在于资本主义私有制的存在。

The study on the effects of the different levels of phosphorus on heavy metal(Cu2+,Zn2+ and Cd2+) joint-biotoxicity by the phototactic behavior of Daphnia carinata.

运用水溞趋光行为的抑制试验，研究了水体中不同磷营养水平和重金属共同存在时的联合生物毒性效应。

Many motile algae are positively phototactic,e.g.Volvox.

许多能活动的藻类是正趋光，如团藻属。

With the"phototactic effect"ofthe advanced technology wars hard to be eliminated in a short time and presenting the ten-dency to develop long,the effective way to settle the contradiction between the great cost ofthe advanced technology wars and rigid restriction of resource supply is only to raise the effi-cacy of the advanced technology wars.

高技术战争&趋光效应&在短期内难以消除，且有长期发展趋势的情况下，化解高技术战争高耗费与刚性资源供给约束之间矛盾的有效途径只能是提高高技术战争的效能。

Because of the"phototactic effect",the expenditure of the advanced technology wars is much greater thanthe wars in the past and presents the tendency to grow speedily,which forms a sharp con-tradiction with the rigid restraint of the resource supply.

高技术战争由于&趋光效应&的作用，其耗费比以往战争要大得多，并且呈现急剧增长之趋势，与刚性资源供给约束形成尖锐矛盾。

The light intensity to elicit the male's phototactic response was not significantly different in these three time periods. In terms of action spectrum, both male and females are more sensitive to ultraviolet light than to visible light, especially the spectral region between 330 and 340 nm for the females and 370 nm for the males.

台湾铗蠓成虫对短波长之紫外光激较敏感：雌成虫之最敏感波长为330~340nm，而雄成虫为370 nm，显示雌、雄虫皆较偏好紫外光，但有同的偏好波长。

The results show that the female adults need a relatively high light intensity to elicit their phototactic response in the morning, but require a lower light intensity for their response at noon and in the afternoon, indicating that the female adults are less active in the morning but much more active around noon and in afternoon.

结果发现，早晨时段雌虫对光的激较敏感，在中午及下午时段较为敏感；雄虫则会因同时段而产生对光激敏感差性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。