英语语法分析

This implementation can serve as a testbed for users to learn and experiment with BPEL4WS.

用户在学习和试验BPEL4WS时可以用这个实现来充当试验地。

When Constellation was proposed, returning to the Moon was said to be a testbed for going on to Mars.

当年提出“星座”计划时，重返月球曾被当作走向火星的实验台。

Hybrid clusters tend to be used as a testbed for various new applications or as an extension of an existing cluster.

混合式集群往往用作各种新应用程序的实验台，或者用作对已有集群的扩展。