No modifications to valves are permitted and any repairs shall only be made by or under direction of the supplier.

禁止对阀门作任何修改。任何修理只能由供应商或在其指导下进行。

youdao

The feature on ancient clinical application of Wumei Pill was investigated under direction of the theory about the relation between formulae and diseases or syndrome.

在＂方证相关＂理论指导下，通过对古代乌梅丸类方的搜集整理与分析，探讨乌梅丸类方的方证规律。

youdao

All work was produced by the students under the direction of John Williams.

所有作品都是在约翰•威廉斯的指导下由学生创作完成的。

《牛津词典》

Other experts have said the Microraptor probably flew with its back wings a little under and in a direction like that of the front wings.

VOA: special.2010.03.16

That tells us the direction of spontaneous change for ordinary processes, chemical processes, mixing and you name it, under conditions that are easy to achieve in the lab.

这个物理量告诉我们在实验室,能够实现的条件下通常的过程，化学过程，混合以及你所能想到的过程，自发进行的方向。

麻省理工公开课 - 热力学与动力学课程节选

We find slavery repeatedly instituted by God or by men acting under his immediate care and direction, as in the instance of Moses and Joshua.

我们反复发现上帝一直在推行奴隶制,或是借人之手,操作施行,就像摩西和乔舒亚的故事一样

耶鲁公开课 - 美国内战与重建课程节选

In fact, the Constitution of Japan was written by the U.S. occupation authorities, whose head was General Douglas MacArthur, under direction of officials in Washington, D.

FORBES: Limited Government, Reform, and the Japanese Constitution

Both companies have worked successfully together under the direction of Chief Executive Carlos Ghosn.

FORBES

Most impressive was the fluid, idiomatic playing of the orchestra, under the direction of Kostis Protopapas.

NEWYORKER: Opera on the Plains