before between then的意思|示意

Then have a discussion with your project sponsors before the project work begins, if possible, and again throughout the life of the project, about the difference between the two.

在项目开始前，你会就项目与产品的功能列表，与项目发起人进行讨论，如果可能的话，在整个项目生命周期中再与发起人进行多次讨论。

Then you send laser light through a beam splitter to divide the beam between the two arms, and let the light bounce back and forth a few times before returning to the beam splitter.

然后你通过分光器发射一束激光，让光线在两条边不断反射再回到分光器。

Then they learned that before the war Pan Am had been flying seaplanes on an Atlantic test route between Bermuda and the Portuguese archipelago of the Azores.

后来，他们了解到，在战争爆发之前，Pan Am曾驾着飞行水上的飞机穿过了大西洋，途径百慕大之间的测试路线和葡萄牙的亚速尔群岛群岛。

It is believed an ancient tribe, the Corieltauvi, who lived in Britain before the Roman conquest, killed then buried the dog between AD1 and AD50 so its spirit could protect the stockpile.

人们认为是一个古老的部落，莱斯特部落，在罗马征服英国之前居住在英国的部落，在公元1年到公元前50之间杀了这只狗作为陪葬，他的灵魂可以保护人们的财产。

Thee dry hams are then hung in a cool, dry place for between 12 and 36 months before beingmade available to the public.

随后将风干的火腿悬挂在干燥凉爽的环境下12至36周到时间，之后才会推向市场。 。

There is a great contrast in the number of missionary cases in Shandong between before Gengzi and after then.

庚子前后，山东地区的教案在数量上呈现巨大的反差。