基节

基节是腿的功能基础。

The coxa is the functional base of the leg .

其下唇基节（mentum）具叶状毛是该种独有的特征。

The species is characteristic in having leaflike setae on the mentum .

锯切素混凝土和钢纤维混凝土时Co-Fe基节块的磨损率最小。

When sawing cement concrete and steel fiber concrete in experiment , the wear rate of blade with Co-Fe bond segment are the least among four various blades .

金刚石锯片铜基节块的组织与力学性能

Microstructure and mechanical properties of copper based diamond saw blade

蚤蝇科昆虫足基节长，股节粗壮，类似蚤目昆虫。

Coax of Phorid is long , femur is brawny , similar to mesh insects .

示指基节指骨与身高的性别判别分析

Sexual diagnosis of the proximal phalanx of index and stature by means of discriminant function analysis

解剖及组织学结构日本沼虾输卵管一对，发自卵巢两侧，终止于第3步足基节上。

Anatomy and histological structure .

滚齿时被切齿轮的基节偏差较小，而齿形误差通常较大，该文全面分析了滚齿过程中二种误差的成因及控制方法。

The paper comprehensively analyzes the cause and control method of the two errors in tooth hobbing .

例1：一个充盈缺损，是出现在后基节的微光肺动脉。

Case 1 : A filling defect is seen in the posterior basal segment of the LLL pulmonary artery .

小模数齿轮基节偏差影响下的降噪研究

Research on the reduce of the noise in the effect of bias of kittle tooth modulus gears ' pitch

残缘璃眼蜱的假头基侧突和基节Ⅰ内距不明显。

In H. detritum the lateral processes of basis capituli and the inner spur on coxa ⅰ are unremarkable .

柄节是触角的第一节或基节，通常明显地比以后其它各节都长。

The scape is the first or basal segment of the antenna and is often conspicuously longer than any of the succeeding segments .

齿轮高频噪声产生的主要原因是齿形误差和基节偏差；低频噪声产生的主要原因是齿距积累误差。

High frequency noise of gears is mainly from tooth error and base pitch , and low frequency noise from accumulated errors of tooth spacing .

本文测量了202名大学生双手示指基节指骨的X线后前位片，讨论了示指基节指骨的长、宽与身高的关系。

The posteroanterior X & ray films of the proximal phalanx of index were measured . in the two hands of the 202 students each .

计算了轮齿静刚度、动态啮合刚度；分析了轮齿的齿形误差、基节误差对啮合刚度的影响；

Calculates the static and dynamic gear engagement stiffness , analysis the influence of the tooth profile and pitch errors of gear to the gear engagement stiffness ;

论述了渐开线齿轮在设计制造安装中所产生的基节误差、重合度系数、接触误差、侧隙是噪声产生的主要因素，并提出了防治措施。

Radix-node error , superposition degree modulus , touch error , side-gap of involute gear , the primary factors that produce noises was discussed , and prevention ways were put forward .

文章以啮合理论为出发点，考虑齿轮基节偏差，给出了沉切尖点啮合冲击的概念，推导出了啮入与啮出沉切点冲击速度计算公式。

Taking the engagement theory as the starting point and considering the deviation of base pitch of gear this paper presented a concept of engagement shock at the under cut tip point and deduced the calculation formulas of impact velocity at the under cut point for meshing in and out .