Seven methods of synthesis ofm-hydroxybenzoic acid(1) were reviewed and their advantages and disadvantages were also discussed in this paper.
介绍了七种合成间羟基苯甲酸（1）的方法，并对这些方法的优缺点进行了讨论。
2
Content of vaccenic acid and linolenic acid in liver and chest muscle in experiment group 1 were significantly higher.
试验组1的肝脏和胸肌中所含的疫苗酸和亚麻酸含量明显更高。
3
Factories, power stations, and rehicles exhausts[1] pump harmful gases into the air, contributing to global warming, causing acid rain[2], and destroying the ozone layer.