The survival rate and conservation rate of planting can be effectively increased by using these measures reasonably.
通过针对盐碱地区公路绿化采取综合栽植技术措施，可有效提高绿化栽植的成活率和保存率。
According to the International Union for Conservation of Nature (IUCN), the rate is between 1, 000 and 10, 000 times higher than the natural rate of extinction. This is largely due to human activity.
国际自然保护联盟(IUCN)认为，这个速度比物种自然灭绝的速度高出一千至一万倍，很大程度上是由于人类的活动导致。
It was introduced by an American charity called Conservation International, which realised the going rate for logging concessions was often so low that it could afford to outbid the foresters.
由一个叫国际保护组织的美国公益机构提出。他们发现土地租赁给伐木业者的价格通常非常低，而他们甚至可以出价高过那些伐木公司。
China has got a fast energy consumption growth rate in recent years, so the popularization of energy conservation technology has drawn extensive concerns.
随着近年来我国能源消费的快速增长，节能技术的推广已经引起广泛关注。
An expression is derived using basical concepts of physics ( i. e. mass conservation ), to define the relationship between sediment transport rate and vertical flux of sediment to the seabed.
从基本的物理概念和物质守恒定律导出了海底沉积物通量的计算表达式，应用该式取得了与实际海域相符的海底冲淤分布图。
In turbulence model, the simulation applied finite volume method to solve the mass conservation equation, momentum equation, turbulent kinetic energy equation and turbulent dissipation rate equation.
在湍流模型下，使用有限体积法求解质量守恒方程、动量方程、湍动能方程和湍动耗散率方程。
Effective cover rate for soil and water conservation forests is an important index in the construction of forestry.
水土保持林有效覆盖率是水土保持林建设中的一个重要指标。
Equations based on hydrodynamics, thermodynamics, gasdynamics and the law of energy conservation are used to find the time required for self-priming and rate of air pumping.
根据流体力学、热力学、气体动力学方程和能量不变方程，求得了自吸时间和抽气速率公式。
Major problems include low energy utilization rate, increasing difficulty in energy conservation and loss reduction, and weakness in energy conservation management.
目前面对的主要问题，一是能源利用水平总体不高，二是节能降耗难度日益加大，三是节能管理还比较薄弱。
The utility model has the characteristics of simple laying, grass survival rate improvement, large earth storage amount, good drainage effect and high conservation of water resources.
本实用新型铺设简单，它具有提高植草成活率、储土量大、排水效果好、涵养率高的特点。
This rate of discovery is simply staggering in modern times, "said Stuart Chapman, Conservation Director of WWF Greater Mekong, in a statement."
“当今时代能有这样规模的发现真是骇人。”世界自然基金会大湄公河次区域自然保护总监斯图尔特·查普曼在某次陈述时说。
This rate of discovery is simply staggering in modern times, "said Stuart Chapman, Conservation Director of WWF Greater Mekong, in a statement."
“当今时代能有这样规模的发现真是骇人。”世界自然基金会大湄公河次区域自然保护总监斯图尔特·查普曼在某次陈述时说。
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