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1·A distributed environment, whereby Lotus Webform Server is remote, gives the best demarkation of concerns, and allows for separate maintenance schedules.

分布式环境(其中Lotus Webform Server是远程的)提供了对所关注问题的最佳界定，且支持单独的维护计划。

2·To comprehend this sentence pattern perfectly, one should have a clear demarkation among the easily confusing conceptions of imperative sentence, elliptic sentence and so on.

要完整地理解无主句，必须弄清楚祈使句、省略句等易于混淆的概念。