重大

The land desertification is one of the greatest environmental problems.

土地沙漠化是直接影响人类生存与发展的重大环境问题之一。

Desertification is one of the most seriously environmental and scio-economical problems in the world as well as i...

沙漠化不仅是当今全球最严重的环境与社会经济问题之一，也是我国重大的生态环境问题。

We are all deeply indebted to our teachers, who well deserve the respect of the whole community.

教师循循善诱，有教无类，学生应铭记师恩深重，社会人士也应表扬教师对社会的重大贡献。

But there are still many problems desiderate to be solved in the mechanism.

多元化纠纷解决机制对于社会的稳定与和谐具有重大的现实意义，但实践中尚存在诸多问题。

Though Frequency Hopping has been widely used in military communication area, it is often submitted to designedly jamming.

虽然跳频通信在军事通信领域得到了广泛的应用，但是易受人为干扰却是跳频通信的顽疾，因此结合FH／ST-FSK实现扩频通信具有重大意义。

Quite apart from the desolating effect that a major deflection of the Gulf Stream would have upon regions, nobody has offered any remotely practical suggestion as to how to accomplish its deflection.

到目前为止，还没有人关于实现墨西哥湾流改道提出远见卓识的建议，更不必说这一洋流的重大改道会对某些地区可能产生的破坏作用。

The bridge structure suffered the moisture, frog and load attack successively in natural state, this results in concrete carbonization, reinforcing steel bar erosion, the surfer desquamate, the cross section dimension decrease, so the mechanics performance worsen, the bridge bearing capacity decreases.

在自然条件下，桥梁结构由于受到大气、水雾及外载的不断作用，引起混凝土碳化、钢筋脱钝锈蚀、构件表面剥落、截面尺寸减小，从而使混凝土结构或构件的力学性能恶化，使用性能降低，桥梁承载能力减小，严重的甚至引起人民生命财产的重大损失。

May 12th Wenchuan earthquake had some specific characters, such as strong outburst, great destructibility, large influence circle and too many aftermath disasters, and brought about great casualties and property damage to China.

摘 要：汶川8.0级地震具有突发性强，破坏性巨大，影响范围广，继发灾害多等特点，造成了重大人员伤亡和财产损失。

To me, it's amazing that an extreme Right president gave major contribution to the detente of teh Cold War.

对我来说，一个极右的总统对冷战时期的缓和作出重大贡献，这是令人惊异的。

Having no measurable or otherwise determinable value.

无价值的没有重大的或其它可肯定的价值的

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。