optional variant是什么意思

网络释义

用法例句

How to Identify "Random" in the Trouble-making Crime;

随意殴打他人寻衅滋事罪之“随意”的认定

To observe the ratio of the surviving length to width of random fascial pedicled flaps for its use,three types random flaps were created in 7 pigs’random place of torso and limbs with different directions.

观察各种随意型组织瓣的长宽比成活情况以指导其应用。

However, the ratios of the length to width used in random fascial pedicle flaps were not unity in clinical reports.

利用深筋膜做蒂获取随意型筋膜皮瓣、筋膜皮下组织瓣等筋膜组织瓣,修复骨、关节、肌腱裸露伤面,方便、灵活,少有失败风险,已被广泛应用。