The group sets department mainly by rose flower pattern and spherical flower pattern composition, altogether seven product specifications.
该组套系主要由玫瑰花朵图案和球形花朵图案构成，共有七种产品规格。
The fault and influence factors existing on the flat-bottomed spherical density bottles used in the lab have been analyzed by using the analysis method of product quality reliability.
应用产品质量可靠性分析方法对目前实验室常用的平底球形密度瓶存在故障及影响因素进行了分析。
By using the method of spherical harmonic, the boundedness of a kind of singular integral operator in product domains is given in this paper.
用球调和的方法研究了一类乘积空间上奇异积分算子的有界性，所获得的结果给出了以往奇异积分算子有界性的应用。
Then the formula for the scalar product of angular momentum operators is used to deduce the Schrodinger equation for one particle in spherical coordinate.
在量子力学中求解球对称辏力场中的薛定锷方程时，角动量算符的几个代表关系起着关键作用。
This series product is the most widely used spherical valve among spherical valves of various kinds.
氟塑料全衬球阀系列产品，是各类球阀中应用最为广泛的一种结构形式。
This series product is the most widely used spherical valve among spherical valves of various kinds.
氟塑料全衬球阀系列产品，是各类球阀中应用最为广泛的一种结构形式。
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