必须的

All parts, end-items or components, subsystems, and systems for PV Testing endmust be completed before the FEU Build according to the engineering specifications in the Pre-Launch Control Plan.

Pre必须在根据工程规范建立PEU前，在试生产控制计划中完成所有零件，产品最终必须在根据工程规范建立PEU前，在试生产控制计划中完成所有零件，产品最终阶段基组成部分，子系统和系统的PV试验。

Clearly, a refrigerator, which is a physical system must obey not only the first law but the second law of thermodynamics as well.

很明显，冷冻机是一种物理系统，因此它不仅必须遵从第一定律，也必须遵从热力学的第二定律。

I had to find you had to get right back to you.

我必须找到你，必须要回到你的身边

The student-athletes of NCAA should have elite sport ability. Besides it, the following levels should be reached: graduation from high-school, minimum core grade-point average, minimum SAT or ACT test score and completion of 13 core courses.

美国录取大学生运动员时除必须具备良好的运动才能外，还应包括以下四个条件：必须是高中毕业、高中期间必修课程的数目和成绩合格、核心课程的成绩要达到一定的标准、必须参加SAT考试或ACT考试。

It shows up one summer in a greatcoat, storms through the house confiscating, says it must be paid and quickly, says it must take everything.

在夏天，它出现于一件大衣，咆哮着穿过行将没收的房子，说它必须尽快付清，说它必须带走一切。

Either grind to a halt or find some way to subvert the system to get things done.

但是当遭遇一个对这种事情非常不灵活的系统时，数据处理软件要么必须停下来，要么必须找到某种方法绕过系统以完成数据处理。

In any case, we must hang in there. We must stay calm and confident.

无论如何，我们必须坚持，必须保持冷静的头脑和信心。

She has to have a connection, like even with Helena she had to have some sort of connection.

她必须和那人有联系。即使和Helena在一起时，她也必须得到一些情感上的联系。

And this spirit must not only animate the High Command, but must inspire every fighting man.

同时，这精神必须不仅鼓舞统帅部，但是必须鼓励所有的战斗人。

Movement faults include high-stepping, wasted motion; short,choppy stride; crabbing; and moving with the feet wide, the lattergiving roll or swing to the body.

必须记住，英国激飞猎犬首先是猎鹬犬家族中的一员，是一个运动犬，外观、举止及步态都必须符合这个标准。

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。