中英互译

major track

基本释义

This is a major improvement over scattering calls to update statistics and to track context throughout my example application.
比起在整个示例应用程序中用分散的调用更新统计值和跟踪上下文，这是一个重大的改进。
Major polluters must keep track of their emissions, and these data are collected and then published by the EPA.
主要的污染物必须追踪他们的排放踪迹。这些数据被收集并发表在EPA上。
Three dozen NOAA vessels are currently working to track the oil spill and major research cruises are being put together to study the effects of the BP oil spill in the Gulf.
隶属于美国国家海洋与大气管理局，拥有三十六艘船的船队现在正在工作以追踪油污，并且大型科考船也派在一起研究BP公司在墨西哥湾的原油泄漏所造成的影响。