keep quads
保持四胞胎
以上为机器翻译结果，长、整句建议使用 人工翻译 。
To keep things all quads, you will always be dealing in pairs, but they don't always have to be parallel.
要让模型保持4方，你仍然需要成对处理，但处理的边并不总是平行的。
youdao
The DVLA does not keep figures on the number of road-legal quads, but the main UK suppliers say that since 2005 they have gone from selling a few hundred each year to thousands.
BBC: Quad bike helmet call by doctors
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模块上移
模块下移
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