英语语法分析

Both schizogony and gametogony occur at the place above the nucleus of the epithelia cells of pyloric caeca and anterior intestine.

裂体生殖和配子生殖发生在幽门盲囊和前肠上皮细胞核之上方。

On the 24th and 48th day, at the same salinity, the protease and amylase activity in descending order were as follows: pyloric caeca, intestine, stomach and liver;

第24天和第48天，在同一盐度下，各消化器官蛋白酶活力和淀粉酶活力高低顺序依次均为：幽门盲囊、肠道、胃和肝脏；

Under the same protein level, the protease and lipase activities of stomach, intestine and pyloric caeca in 18% lipid level groups were slightly higher than those in 9% lipid level groups.

同一蛋白质水平下，18%脂肪水平组胃、肠道和幽门盲囊的蛋白酶和脂肪酶活性均略高于9%脂肪水平组。