英语语法分析

The results show that the three plant growth hormones can accelerate the growth of PSB.

结果表明这三种植物生长激素对光合细菌的生长均有促进作用。

However, we are sending you a version with maximized compatibility and also a PSB version of the files.

不过，我们现在发给你一个兼容性最大的PS B版本。

So it is significant that to study the variety of carotenoid in different PSB and the method to extract them.

因此研究不同光合细菌中的类胡萝卜素组成，以及利用光合细菌来生产各种类胡萝卜素，具有深远的意义。