test scheme的用法和样例：
例句
- The test mix specifies the probability of a virtual user running a specific test in a load test scenario.
测试组合指定虚拟用户在负载测试方案中运行特定测试的概率。 - The accelerometer-based north finder system usually applied dynamic measurement scheme owing to its angular-velocity measurement principle.
加速度计寻北仪由于其角速度测量原理采用的是动态测试方案。
