基圆是形成渐开线的一个定圆。
本文采用较小基圆渐开线代替齿轮渐开线，创造出新的渐开线成形砂轮修整器。
This paper presents a new method of form-grinding of involute gears, using a segment of involute curve produced by a smaller base circle disk to replace a desired involute curve.
当凸轮机构主要用于传递运动时，基圆半径的选择可使滚子做连续滚动为优先考虑条件。
When the CAM is chiefly transferred movement, the choice of radius of base circle firstly is considered the roller's continuous rolling.
这里讨论了“叠加基圆法”中基圆半径的选取原则及其对不圆度评定的影响，并作出关系曲线。
Here the selection of base circle radius and its effect upon the assessment of departure from roundness is discussed, and the corresponding curve is given.
在满足机构许用压力角条件下，采用0．618法最优确定盘状摆动凸轮机械的最小基圆半径。
Meeting requirement of the mechanical pressure angle, the minimum base radius of a plate cam for oscillating follower is determined by the 0.618 optimization method.
基于解析几何法导出的最大压力角表达式，导出了偏心凸轮机构和对心凸轮机构的基圆半径和偏距的计算公式。
According to the allowed pressure Angle, this paper determines the disk CAM with translating followers basic circle radius and eccentricity by using the analytic method.
在年纪大于12个月的患者诊断上，被分到第v组者，若肿瘤的基圆直径大于15厘米，且肿瘤厚度大于5厘米时，则可预测其需要进行眼球剜出术。
Age at diagnosis older than 12 months, group V disease, tumor base diameter greater than 15 mm, and tumor thickness greater than 5 mm predicted the need for enucleation.
特别能让人头晕目眩的艺术品包括：米开朗基罗的大卫像、卡拉瓦乔的画作<酒神>，以及圣母百花大教堂穹顶的同心圆。
Particularly upsetting works of art are: Michaelangelo’s statue of David, Caravaggio’s painting of Bacchus, and the concentric circles of the Duomo cupola.
我公司主要以大蒜、蒜苔、圆葱的冷藏加工以及有基食品的开发和种植为主，逐步形成以大蒜为主，多种经营的良好状况。
I mainly to garlic, Suantai, onion frozen-food processing and the development and cultivation of the main, and gradually form a garlic-based, diversified economy in good shape.
导弹精度期望具有至少300米圆概率误差(CEP)，虽然一些报道称发射井和竖立式运输发射架(TEL) -基分别具有100米和150米的圆概率误差(CEP)。
The missile is expected to have an accuracy of at least 300m CEP, though it is reported that the silo and TEL-based version have 100 and 150m CEP respectively.
本文给出了粘弹性基支粘弹性圆（环）形薄板准静态弯曲的一般解法。
In this paper, a general solution for quasistatic bending of viscoelastic circular (ring) thin plate rested, on viscoelastic foundation is given.
本文首先给出了确定分圆域的极大实子域的幂元整基的两种方法；
In this paper, I first give two methods with which we can determine all the power integral bases in maximal real subfields of cyclotomic fields.
本文首先给出了确定分圆域的极大实子域的幂元整基的两种方法；
In this paper, I first give two methods with which we can determine all the power integral bases in maximal real subfields of cyclotomic fields.
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