speed step的用法和樣例：
例句
- People of genuine ability should be promoted without hesitation and given pay raises of more than one step at a time.
對那些真正有本事的人，要放手提拔，在工資級別上破格提高。 - This is frequently used to step load virtual users to reach a certain load level before recording sample values.
這段時(shí)間通常用于在記錄采樣值之前使負載虛擬用戶(hù)達到特定的負載級別。
