a large number of

基本解释

This is especially valuable for organizations with a large number of applications that cannot be all migrated at once.
对于那些具有很多应用程序，而又不能一次全部移植的组织来说是非常有用的。
The idea behind diversification is to invest in a large number of assets so that a loss in any particular investment is minimized by gains in others.
多元化背后的想法是投资一个数额巨大的资产，这样任何特定投资的损失都被其他投资获得的收益最小化了。
But none of them scale very well to the case where a routine creates a large number of local variables along the way, and winds its way into a nest of loops and conditionals.
但没有一种方法能很好地解决这样的情形：例程在运行中创建了大量的局部变量，并把它的运行简化为循环和条件的嵌套。

She made sure there were a large number of workers to give the necessary attention to all the kids.
If you have a large number of atoms in an aggregate, it is going to require that the substance turn solid and condense at room temperature.
如果有很多原子进行聚集，在室温下,会使的物质转变成固体状态。
麻省理工公开课 - 固态化学导论课程节选
That way you could deliver a small number of vectors and they could amplify into a large number of vectors.
这样你只需向细胞中转入少量载体,就能得到大量的拷贝
耶鲁公开课 - 生物医学工程探索课程节选

Although it also attracts a large number of low-skill migrants, Houston has considerably expanded its white-collar workforce.
FORBES: Model U.S. City

大量
Then,use a large number of numeral pattern to train BP network.
然后 ,使用大量数字样本对BP网络进行训练。