We believe that a force of about one hundred pounds was needed to pull the string all the way back on a long bow.
我们认为，拉动长弓上的弓弦大约需要100磅的力。
One of them is the force of gravitation (地心引力), which tries to pull the satellite towards the earth and is like a rope which keeps the satellite from flying away.
其中一个是地心引力的力量，这股力量试图把卫星拉向地球，就像一根把卫星绑住的绳子，防止卫星飞远了。
And if you have a pull down here and you have a pull up here and you have in here a spring then you see you have a way of measuring that force.
往下拉这儿的话,会产生向上的拉力,中间有根弹簧,它能帮助你测出力的大小了。
Rather than force the managers to pull two separate Feeds while correlating the data sets, as they would with conventional AtomPub, AtomServer adds the concept of an Aggregate Feed.
要求经理们拉出两个单独的Feed，并进行数据集的关联，这是常规的AtomPub做法。与此不同的是，AtomServer加入了Feed聚合的概念。
If you let it in is that when you started to feel the pull of this other force?
如果你被这种念头所占据，是不是就会开始感觉到另一世界的吸引力？
The force of gravity starts to pull together huge regions of relatively dense cosmic gas, forming the vast, swirling collections of stars we call galaxies.
引力逐渐把密集的大区域星云气体拉拢，形成那些巨大、漩涡状结构的所谓星系群。
If I can figure out a way to force the child class (PartDb) to tell the parent class the value of this SQL string, I can pull this method up as well.
如果能够迫使子类(PartDb)把这个sql字符串的值告诉父类，就可以把这个方法提升到父类中。
Either resultant or pull out force strategy 2 and 4 were less than other three strategies.
在合力和拔出力的比较中，第2、4策略的结果均低于其他三种策略。
Our attitude is the driving force in our lives—it can either push you to do great things or pull you down to your demise.
我们的态度是我们生活的驱动力，我们的态度可以推动我们去做伟大的事情抑或让自己碌碌无为沉寂一生。
Through-bolted fasteners shall withstand a direct pull force exceeding 1,500 lbs. per fastener.
每个贯穿螺栓固定件应该能够承受超过1,500磅以上的直接拉力。
Threaded brass inserts shall withstand a direct pull force exceeding 1,500 lbs per insert.
每个螺纹黄铜嵌入件应该经受超过1，500磅的直接拉力。
A force is exerted on the magnetic bead using a magnetic field, enabling researchers to pull and rotate a single DNA molecule in a controlled fashion.
研究者运用磁场使磁珠产生力，这样就在可控模式下可以对单个DNA分子进行拉伸旋转。
Through-bolted fasteners shall withstand direct pull force exceeding 1,500 lbs. per fastener.
每个贯穿螺栓固定件应该能够承受超过1,500磅以上的直接拉力。
Each insert withstands over 1,500 pounds (6672 n) of pull force when properly installed.
在正确安装后，每个嵌入件都能够承受1,500磅(6672N)的拉力。
The principle and method for testing brake character, travelling speed, break out force and rim pull are described.
并论述了制动性能、车速、掘起力、牵引力试验台的检测原理和方法。
The gravity pull of habits is a powerful force and, if we use it effectively, we can create the necessary order to build up effectiveness.
只要我们善于运用习惯这一强大引力，我们就能建立起良好的秩序，创造有效率的生活。
He was authorized to pull back and told that a relief force was on the way.
最高统帅部给予了他撤退的许可，并且告诉他一支生力军将赶来支援。
A compliant force control strategy is developed based on the inner loop position control of 6-dof parallel robot in order to simulate the push and pull process of forcible alignment in space docking.
为模拟空间对接强制校正阶段的推出和拉近过程，提出基于6自由度并联机器人位置内环的柔顺力控制策略。
When extracting piles, in the condition of vibration to pull out the pile by using excavator lift force.
拔桩时，在一边振动的情况下，以挖机上提力将桩拔起。
According to the numerical analysis results, the axial force distribution of bolt have been studied, the differences between bolt for pull test and for supporting have been pointed out.
依据数值计算结果对端部锚固及全长锚固锚杆的轴向作用力的分布特征进行了分析，指出了拉拔试验锚杆与支护中的锚杆以及端锚锚杆与全锚锚杆的区别。
In larger sizes, force pipes together by means of a "pull lift" or lever hoist attached by slings around the outside of the pipes.
对于较大口径的管道，则可通过用环绕在管道外壁的绳索固定的“拖拉”或者杠杆将管道组对起来。
Flat springs are used in a variety of applications, as above in the traditional "oven button" type of application as well as in the constant force mechanism of a pull-start lawn mower.
板簧适用范围广泛，可应用于传统的烤箱按钮等基本应用，也适用于拉启式割草机的恒力系统。
The expansion of consumption has become a decisive force to pull economic growth. The key to promote a renewed round of economic growth lies in the effectively boosting consumption.
消费的扩大已经成为拉动经济增长的决定性力量，能否有效的启动消费，是促进新一轮经济增长的关键。
This paper analyses the operation principle of the device model, determines the value of the pull force of sinking mattress winch and the optimum speed parameter of the system.
本文分析装置模型的动作机理，确定系统中沉排绞车拉力、速度最佳参数，并就改善工况运行条件的体系结构作了较深入的探讨。
The relationship between mean pull out force and content of powder is similar to "S" curve.
平均抽拔力与粉末含量的关系趋势基本呈“S型”曲线。
The hinge is apt to be pull apart and the strength of the hinge connection is insufficient owing to the action of the elevating force in the course of casing lifting.
在套管的提升过程中，由于提升力的作用，铰链接头的失效形式一般表现为铰链拉脱或强度不足。
Based on the requirement of automatically getting on wall and cushioning, the form mechanism of pull force of robot, cause and process of touch wall were analyzed.
从机器人自动上壁及缓冲的需求出发，分析了机器人拉力形成的机理、碰壁的原因和过程。
Imagine the earth reduced to the size of a marble, but still having the same mass and a stronger gravitational pull, and you have some idea of the force of a black hole .
想像一下地球收缩小到有弹球那么大，但仍具有同样的质量和更强的吸力，你就会对黑洞的力量有某种概念。
Imagine the earth reduced to the size of a marble, but still having the same mass and a stronger gravitational pull, and you have some idea of the force of a black hole .
想像一下地球收缩小到有弹球那么大，但仍具有同样的质量和更强的吸力，你就会对黑洞的力量有某种概念。
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