英语语法分析

The variations in eye movement and operation delay were studied during the fixation training of two macaca mulatta.

研究了两只猕猴在注视过程中，眼球运动和操作延时的变化。

Objective To study a BV antibody surveillance model for establishment and maintenance of Macaca mulatta SPF colony.

结论该模式能有效监测猕猴BV抗体变化，为本中心在国内建立猕猴SPF种群提供了有力的技术保障。

The objective of this research is to study the correlation between the metapodial and the cranial lengths in Macaca mulatta.

目的：探讨太行山猕猴掌和蹠骨与颅长的相关关系。