然后你能通过改变中间三角形的位置来找到最好的色阶。

Then you can find the best tone by changing the position of middle triangle.

youdao

比我国现行的《钢结构设计规范》（TJ 17-74）中，关于阶形柱计算长度的取值更为合理和更强的逻辑性。

It is more rational and logical than the current PRC Specificat ion (TJ 17-74) in regard to the method for determining the effective lengths of mill building stepped columns.

youdao

阶形柱的设计是费时和复杂的。

The design of the stepped columns is time-consuming and complicated.

youdao