direct assay

• 直接测定

direct assay的用法和样例：

例句

1. A direct means is required to calibrate the indirect method.
   要求用直接测定法校正间接测定法。
2. Direct measurements of the distribution of molecular speeds have been made by a number of methods.
   分子速率的分布可以用几种方法来直接测定。