On the first run, the tank was stirred with a reference paddle (initially, a standard, flat shape with a width of two, six or eight centimetres).

在实验开始时，在水箱中搅动的是一支参考桨（用于初始化，是一种标准的、平板形、宽度分别为两厘米、六厘米或者是八厘米的桨叶）。

youdao

This paper introduces briefly the relation of 5 kinds flat glass packing crate(pallet) with logistics transportation, which has certain reference for glass production and logistics in this sector.

简要地介绍了5种平板玻璃包装箱（架）与物流运输的密切关系，对玻璃工业的生产、物流具有一定的参考价值。

youdao

Row reference count not equal to zero - flat file metadata not reset.

行引用计数不等于零—平面文件元数据没有重置。

youdao

With the vertical launch point of gold last year as a reference, it is basically flat.

FORBES: Apple: Good As Gold . . . Down 20 Percent Then Flat?

Now, it is amongst the very biggest gaps in Flat racing's reference books that the Queen has never won the premier Classic, the only one of the season's five biggest races to have eluded her.

BBC: Cornelius Lysaght column