Using a variable size heap enables the GC to use only the OS resources required by the application for the heap.

使用可变大小堆允许GC仅对堆使用应用程序必需的OS资源。

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This is also true with variable size fields, such as text or blob, where the table size can grow much larger than needed.

文本或blob等可变大小字段也是如此，其中表大小的增长可以远超过需求。

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You must be prepared to interact in groups of variable size, present to an audience, and have facility with written communication of all types.

您必须准备好与各种规模的小组进行交互、进行演示，并且进行各种类型的书面交流。

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These things run for variable amounts of time because they take input, a list of size of some amount.

而这一段的执行时间是可变的,因为它们需要输入一个包含一些元素的列表。

哈佛公开课 - 计算机科学课程节选

Instead, it is the single most important budgetary variable because it affects the size of the tax base and the amount of government spending linked to the level of employment.

FORBES: The Budget Stalemate Shows The Need For Monetary Reform

The size of the dose, though variable, is thus the maximum that will benefit any given embryo, so the mother is not so much discriminating among her offspring as trying to do the best by each of them.

ECONOMIST: Animal behaviour

Few people are taught to examine not only the significance but also the size of the coefficient, which tells you how big an impact that variable has overall.

FORBES: Art and Science, Intertwined