large number of observation

基本解释

I have carried out a large number of empirical studies and had some necessary observation and interviews during my graduate 3 years.
笔者在研究生学习的3年时间里，进行了大量的实证研究，对一些大学生进行了必要的观察和访谈。
Under the condition of propagating along strong wind, large number of waves cannot reach the observation height, due mainly to critical coupling.
在强顺风场作用下，由于风场引起的捕获，大量重力波不能传播到观测高度。
In early work, through a large number of animal experiments and clinical observation showed that Shuanghuanglian treat aconitine poisoning have significantly effect.
在前期工作中，通过大量动物实验和临床治疗观察，结果显示双黄连治疗乌头碱中毒疗效显著。

Its observation comes on a day when a number of large-capitalization companies posted better-than-expected earnings.
FORBES: Big Caps Pack More Profit Punch