Different serosal types could be differentiated by CT features.
通过螺旋CT征象可大致区分浆膜类型。
They can be differentiated by X-ray features and clinical symptoms.
各型有其相应的X线特征及临床症状。
Each definition must be differentiated by a unique configuration name.
每个定义必须使用唯一组态名称来区别。
Mathematically, it's done by taking the expression for R and differentiating everything in sight that can be differentiated as vector t.
从数学上看是这样的,写出 R 的表达式,并对所有可以进行矢量微分的部分,对时间 t 求微商
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