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渐开线内啮合弧面蜗杆是我们近几年来提出和研制的一种新型蜗杆传动。 This paper is the first report on theoretical research of the involute, internallyengaged, double-enveloping worm gear drive. | ||
实现了对空间弧面分度凸轮机构的动分度精度检测和静分度精度的检测。 It realizes the dynamic indexing precision and static indexing precision testing on dimensional globoid indexing CAM mechanism. | ||
弧面分度凸轮机构是一种用于两垂直交错轴间的间歇分度步进传动机构。 Globoidal indexing CAM mechanical is one of the intermittent transmission mechanical which applied to two axes of upright interleaving. | ||
石炭纪—早二叠世形成丝路弧； Silk Road Arc formed in Carboniferous-Early Permian; | ||
我意思是弧长可正可负。 I mean, arc length could be positive or negative. | ||
通常我们用符号s来表示弧长。 So, the usual notation that we will have is for arc length. | ||
此刻你只能有两种操作：线或弧。 You will now have two options: Line or Arc. | ||
深弧型的独特设计，反光效果更佳。 The unique curved design of deep, reflective better. | ||
晚二叠世—三叠纪马什哈德—北帕米尔弧形成，卡拉库姆盆地处于弧后拉张的位置； Karakum Basin is located in the back-arc extensional position when Mashhad-North Pamir Arc formed in Late Permian-Triassic; | ||
由于理论廓面是直纹面，其廓面曲率容易求得。 Curvatures of theoretical profile surface, which is a ruled surface, are easy to get. | ||
