When establishing finite element calculation model of three-axle bogie frame, it must be certain that the weight of each of the three axles is equal while adding restraint.
分析了三轴转向架构架在有限元计算分析时，约束的施加必须保证三根轴的轴重一致性；分析比较了中间轴一系簧垂向刚度对构架强度产生的影响。
What is the company's policy? You must be certain that you know what it is!
公司的政策是什么？你必须确信你知道政策是什么！
This can present certain social concerns, and while it is important to let the child explore his new environment, it goes without saying that appropriate social behaviors must be taught.
这可以引起一定的社会关注，然而，最重要的是让孩子自己探索新的环境，不言而喻，必须教孩子这种适当的日常行为。
It may be that at certain times of the day that requests must be sent to an alternate endpoint, be handled asynchronously, or even refused altogether.
可能在一天当中的某些时候，请求必须被发送给备用端点，必须进行异步处理，甚至是被拒绝。
Certain changes must be made to the deployment of MDM Server to make sure that it understands LTPA authentication. (See the LTPA sidebar.)
部署MDMServer时必须进行某些更改，以确保它理解LTPA身份验证(见ltpa侧栏)。
Though it is unclear as to what their aims are, it is certain that they must be stopped at all costs.
尽管还不清楚他们的目的究竟是什么，但是可以确定的是必须不惜一切代价阻止他们。
For example, if someone claims that a certain procedure has a certain result, it must in principle be possible to perform a procedure that will either confirm or contradict the claim.
比如，若有人声称某种程序会有某种结果，那么，在原则上，就必须能施行一种程序既能证明又能反驳这一断言。
It must be noted, however, that refinery gas usually generates a certain amount of steam in the convection section of refinery gas-fired radiant furnaces.
不过必须指出，在燃气热辐射锅炉的对流过程中，炼厂气一般会产生一定数量的蒸汽。
Certain standards for enforcement and judgment must of course be followed, but with a certain amount of discretion allowed to make sure that, although justice is blind, it is not stupid.
当然，进行执法和审判的某些准则是必须要遵奉的，但是那必须是允许有一定的酌处权以保证公正实施得不愚蠢，尽管公正的原则是不分你我的。
It should be noticed that when the translator enjoys great freedom in the translation, he must act under certain constraints.
在翻译活动中，译者享有发挥主观能动性的自由，但同时也受到某些限制。
Whatever else may be doubted, it is certain that anything you can bump into must be real; this is the plain man's metaphysic.
至于其他的东西就有待考证了，但是确定的一点是，凡是你能触到的东西一定是真实的，这就是大多数人的玄学体系。
From the best state of oriole it's imagined that all the things have their best state, and also it must be in a certain environment that can reach such a best state.
由黄鹂的“极致”想到各种事物都有它的极致，而在一定的环境里才能发挥这种极致。
Whatever else may be doubted, it is certain that anything you can bump into must be real;
不管其他什么可以被怀疑，一个你猛地碰撞上了的东西，肯定是真实的。
Consequently, a geological survey of the under-ground, rock structure must be carried out. If it is thought that the rocks in a certain area contain oil, a "drilling rig" is assembled.
因此，仅仅靠研究地层表面，无法确定有关石油，必须对地下的岩石结构进行地质勘测。
Consequently, a geological survey of the under-ground, rock structure must be carried out. If it is thought that the rocks in a certain area contain oil, a "drilling rig" is assembled.
因此，仅仅靠研究地层表面，无法确定有关石油，必须对地下的岩石结构进行地质勘测。
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