The measuring instrument can measure addendum circle and dedendum circle diameter of odd-tooth gears.

这种测量工具用以测量奇数齿齿轮的齿顶圆和齿根圆直径。

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Abstract: this paper designs a measuring instrument which can measure addendum circle and dedendum circle diameter of odd_tooth gears and can define all main parameters of gears.

文摘：设计了一种测量工具，用以测量奇数齿齿轮的齿顶圆和齿根圆直径，以便确定齿轮的主要参数。

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A monitoring instrument of plasma leakage suited for the blood circle treatment system outside the body is developed based on the absorption spectrum experiments of plasma leakage.

在血浆紫外吸收光谱的实验基础上，开发出与体外血液循环治疗系统配套的血浆泄漏动态监测装置。

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Its orbit will leave just a 400km-wide circle at the pole that is out of sight of its instrument.

BBC: Launch success for Esa's Cryosat-2 ice mission

The Principality of Monaco coat of arms provided the inspiration for a circle of rhomboid-shaped cut rubies arranged on the cap of the writing instrument.

FORBES: The Montblanc Princess Grace Collection

In order to break the vicious circle between banks and sovereigns, technical discussions on the future ESM direct bank recapitalisation instrument will also start in September so that the ESM could, following a regular decision, have the possibility to recapitalise banks directly once an effective single supervisory mechanism is established.

FORBES: Euro Finance Ministers Head for Beach Amid Utter Confusion