reference circle

基本解釋

Pitch Circle is the reference circle from which all transverse spline tooth dimensions are constructed.
節(jié)圓是一個(gè)參考圓，花鍵的鍵齒的所有的橫向尺寸都是以節(jié)圓為基礎(chǔ)開始計(jì)算的。
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A reference circle trial generator is developed to provide a high precision movement for the reflector of laser tracker.
設(shè)計(jì)制造出一種標(biāo)準(zhǔn)圓軌跡發(fā)生器，可為標(biāo)準(zhǔn)反射鏡的運(yùn)動(dòng)提供高精度的規(guī)定軌跡。
Formulas are given in many mechanical manuals to calculate the tooth thickness at only the reference circle of worm and worm wheel.
蝸輪蝸桿的分度圓齒厚在大部分機(jī)械手冊(cè)中都給出了計(jì)算公式，但在其它任意半徑處的齒厚計(jì)算很少有資料涉及。

All right. Now the hermeneutic circle, then, involves this reference back and forth between the entities that I've been trying to describe.
好，現(xiàn)在我們知道解釋學(xué)循環(huán)，包括在我剛剛所說的,存在之間的穿梭。
耶魯公開課 - 文學(xué)理論導(dǎo)論課程節(jié)選

The questions they are asked in the media and in real life constantly circle simplistically around the same frames of reference — terrorism, women, and assimilation — fixations that may be understandable in this age but frequently overlook the complex human dimensions of Muslim-American or Arab-American life.
NPR: Many Arab-Americans Still Perceived As A 'Problem'