Benzidine staining can be used to get an approximate estimate of "viable" pollen.

花粉的生活力染色测定以联苯胺染色较适宜。

youdao

Please provide an approximate estimate of the length of the finished book, in words or pages, assuming the average printed page contains around 400 words.

请提供预估一下最终出书的篇幅（字数或页数均可），假设每一页400单词。

youdao

An experienced editor can estimate by the eye (by his eye) the approximate number of words in an article.

有经验的编辑能用眼睛估计一篇文章的大概字数。

youdao

By dragging the trend line, a 5% increase in data revenues in 2011 equals an approximate 1.3% increase in price estimate.

FORBES: Getting Granny On Facebook Can Goose Wireless Stocks Higher