trace level

• 痕迹量级,痕量级

trace level的用法和样例：

例句

1. The level of mechanical vibration during operation must be determined.
   机械在工作期间振动的量级必须予以确定。
2. The superman and average person are not a amounts level's absolutely.
   超人和普通人绝对不是一个量级的。