英语语法分析

The EVLA correlator is being built by Canadian researchers and engineers.

EVLA的相关器正由加拿大的研究者和工程师建造。

Defining a correlator or set of correlators and a mechanism for their exchange.

为它们的交换定义一个或一组相关器和一种机制。

This correlator serves one important purpose: to later end this notification request.

此Correlator用于一个重要的用途：稍后终止此通知请求。