但是现场总线标准种类繁多。

But Field Bus has a great variety of standards.

youdao

我国林业标准化工作在取得了很大成就的同时，也存在一些问题如林业标准数量少，林业生态建设标准种类不全，对林业标准化宣传力度不够等。

We have got great achievements in the forestry standardization, but there still remain some problems such as the lack of standard and variety as well as the less propaganda.

youdao

我国林业标准化工作在取得了很大成就的同时，也存在一些问题如林业标准数量少，林业生态建设标准种类不全，对林业标准化宣传力度不够等。

We have got great achievements in the forestry standardization, but there still remain some problems such as the lack of standard and variety as well as the less propaganda.

youdao