lock-on counter

例句：

1. 1. The engineer used a lock-incounter to measure the frequency of vibrationsin the air.
   工程师使用了一个锁定目标计数器来测量空气中的振动频率。
2. 2. Duringthe experiment, the scientist locked-ina counter to track the progress of thereaction.
   在实验过程中，科学家锁定了一个计数器来跟踪反应的进展。
3. 3. The teamsuccessfully locked-in their counter before thedeadline, saving valuable time for analysis.
   团队在截止日期前成功锁定了他们的计数器，为分析节省了宝贵的时间。