Rotation angle symbol method to identify circuit and branch of spherical four bar is presented in this paper. Finally, the method about application to spatial first group mechanism is elaborated.
最后由空间第一类机构与球面四杆机构的等效性，阐述了将此识别方法应用于第一组空间机构的方法。
These are method invocations, each taking a symbol as a single parameter.
这些都是方法调用，每一个都将符号作为一个单独的参数。
A document may be signed by handwriting, facsimile signature, perforated signature, stamp, symbol or any other mechanical or electronic method of authentication.
单据可以通过手签、签样印制、穿孔签字、盖章、符号表示的方式签署，也可以通过其它任何机械或电子证实的方法签署。
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