在域上，开解正交变换表成对称之积，因子个数的多少，是用变换的剩余数来标定的。
On the field, the number of factors in solving the symmetrical product is calibrated by the remainders of the transformation.
采用薄板等积变换通过局部弯曲而不拉伸材料的方法制造该种芯材已成为可能。
This feature makes it possible to produce the filler by isometric transformation of thin sheet through local bending without material stretching.
这种方法是通过一光学变换传输系统使激光束能绕一定的半径旋转，旋转的激光束去扫描消融超导靶材来淀积大面积超导薄膜。
Using a optical transmission system to make the laser beam to scan on the superconducting target with different radii rotation and to ablate it for depositing large area superconducting films.
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