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

METHODS: in 2001 the National Cancer Data Base, under direction of the American College of Surgeons, conducted a patient care evaluation study in 719 hospitals.

方法：在2001年国家癌症数据库，在美国外科医师学会的指导在719家医院下进行病人治疗评价。

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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

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