Seimic precursor occurrence is the result from the action of "double force source", namely tectonic stress and the subsurface fluid force.
地震前兆的产生是“双力源”即构造应力和流体力联合作用的结果；
Nearly half of all households are landless or near landless, with agricultural laborers constituting 48 percent of the labor force, almost double the national level of 27 percent.
近半数农户处于失地或即将失地状态，农业劳动力占全邦劳动力总数的比重为48%，几乎是全国水平27%的两倍。
If I make the spring twice as long, I would get double the extension, because when I have two springs in series, each one, under the influence of this force, will get longer by this amount.
若弹簧长度加倍，拉长刚才的两倍，当我把两个弹簧串联，任何一个弹簧，在这个力的作用下，将会拉长相同的量。
Fewer big, predatory fish are swimming in the world's oceans because of overfishing by humans, leaving smaller fish to thrive and double in force over the past 100 years, scientists said Friday.
科学家本周五说，由于人类的过度捕杀，海洋中食肉性的大型鱼类越来越少，在过去一百年里只剩下小型鱼成倍繁殖。
Using 193-nm with double patterning will force chip makers to use "more restrictive design rules," he said.
因为193 nm液浸式光刻技术与双重成像的结合将迫使芯片产商对芯片设计准则设置更多的限制。
It would double the size of HP's sales force and broaden its customer base, providing more potential clients for its services and consulting arms.
这将扩大销售人员的规模，拓宽消费者范围，为客户服务部门和咨询部门提供更多潜在的客户。
Based on the double factors linearization concept proposed by authors, the drag force acting on inclined cylinder in wave-current field has been linearized.
根据作者提出的双参数线性化概念，对波流共同作用下倾斜杆件上的波浪拖曳力作了等效线性化。
In your life, you will encounter a variety of opponents, but do not worry, because the enemy is a double-edged sword, may pose a threat to you, but it may also become a driving force for you.
在你的人生中，一定会遇到各种各样的对手，但不要担心，因为敌人是一把双刃剑，可能对你造成威胁，但也可能成为你进取的动力。
The calculation equations of distributed force model are derived for actuators bonded on structure by single-sided and double-sided.
分别导出了单面粘贴驱动器和双面粘贴驱动器时的分布力模型的计算公式。
A special double type-insurance risk model whose premium is a stochastic process with interest force was further studied.
研究了在保费收取随机的情况下，含利息力因素的特殊双险种风险模型破产问题。
A model for simplified second order analysis of the double resistance to lateral force system is built on the basis to transform second order effect into negative stiffness.
为简化双重抗侧力体系二阶分析，将结构的二阶效应转化为结构的负刚度，从而建立分析模型。
Double doors adopt electric interlocking to force shower; double doors may be made as automatic movable door.
双门采用电动联锁强迫吹淋，双门可做成自动移门。
But in the contemporary era, Continental laws have formed the principle on the basis of the adjudged force, while Anglo-American laws take protection against double jeopardy as the basis of it.
一事不再理原则起源于古罗马法，在近现代大陆法系形成了以既判力为基础的一事不再理原则，而英美法系则形成了以禁止双重危险为基础的一事不再理原则。
The characteristics of vibration in a submerged double shell connected by annular plate drived by a point force in inner shell is studied.
对水下由环形肋板连接的有限长双层柱壳在点激励下的稳态振动特性进行了研究。
On the basis of the discussion on the principle of double crank ring-plate-type cycloid drive, the method of force analysis is proposed, and the accurate model of force analysis established.
在论述双曲柄环板式针摆行星传动原理的基础上，提出了受力分析方法，建立了准确的力分析模型。
This paper analyzed the energy consumption of a system in operation status——the double U-tubes vertically buried tube ground-source heat pump system in an air force station of Chongqing.
基于重庆市某空军场站的双U管竖埋式土壤源热泵系统工程，对该系统冬季变工况下的运行能耗进行了分析。
Strength of crushing force and its distribution in crushing room are important basisfor designing double-cavity jaw crusher.
破碎力的大小及其在破碎腔内的分布情况是破碎机设计的重要依据。
Based on tests of two full-scale double-span prestressed frames, internal force redistribution of frame was studied and continuity of structures and axial compression ratio of column were analyzed.
基于两榀接近足尺的后张有粘结预应力混凝土框架的试验，对多跨预应力框架的内力重分布进行了研究，重点考虑了框架的连续性和轴压比的影响。
Air or gas cylinder actuators include single or double acting, fail open or closed by mechanical spring or pneumatic force. They can be manufactured to accommodate any length stroke.
空气或燃气缸体执行机构包括单动或双动，由机械弹簧或气动力实现故障开启或关闭等各种类型。
Double vertical ring high gradient permanent magnetic separator is a new kind of separation equipment which utilizes the combined force field of permanent magnetic force.
双立环永磁高梯度磁选机是一种利用永磁磁力、脉动流体力和重力综合力场选别的新型设备。
The traditional direct calculation method of the double layer interaction force on two similar plates brings some difficulties for understanding of specific forces on plates.
两个相同平板的双电层交叠造成的作用力，传统的直接计算法给理解板的具体受力情况带来一些困难。
The result shows that superfluous force is less in double valve parallel control system than that in single valve control system, and the precision of dynamic loading is increased.
仿真和实验结果表明：加载系统采用双阀并联控制比单阀控制的多余力明显减小，动态加载精度明显提高。
When the mixing axis revolve, the laminas can force materials to writhe up and down and double-knead at the same time, so it can mix uniformly in a short time.
当搅拌轴旋转时，搅拌叶片强迫物料上下左右翻腾对揉，因而能在短时间内搅拌得非常均匀。
The Paper deduces the calculating formula for interference force between hoisting ropes in double-layer winding and gives the calculating results of an example.
推导出双层缠绕时提升钢丝绳咬绳力的计算公式，给出一个实例计算结果。
Such being the case of different double beam section and load change, adopting decomposition combination to making double bean frame internal force analyse.
在双梁断面不同，双梁上荷重变化较大的情况下，采用分解组合法进行双梁式框架内力分析。
In order to enlarge the force of middle beam, the double-frame press has been designed.
为了达到大的中间板上作用力，常采用双框架压力机床身结构。
In order to enlarge the force of middle beam, the double-frame press has been designed.
为了达到大的中间板上作用力，常采用双框架压力机床身结构。
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