它装有256兆字节的只读存储器和512兆字节的随机存取存储器。
这个程序占用2.5 兆字节的磁盘空间，可以在标准个人电脑上运行。
The program takes up 2.5 megabytes of disk space and can be run on a standard personal computer.
这个系统内存 256 兆字节，可扩充到 2 千兆字节。
该值的单位是兆字节（MB）。
缓冲区大小最少也要达到 1 兆字节。
可以按字节或兆字节来指定缓冲区的大小。
上传文档的大小被限制为0字节到1兆字节。
The size of the uploaded document is limited between 0 bytes and 1 Megabyte.
该飞船有两台电脑，有1,024兆字节内存总量。
The craft has two computers, with a total memory of 1, 024 megabytes.
该飞船有两台电脑，有1,024兆字节内存总量。
The craft has two computers, with a total memory of 1,024 megabytes.
使用free命令获取以兆字节为单位的内存大小。
在许多这样的环境中，人们是从有好几兆字节的数据源着手。
In many of these contexts, one starts out with multi-megabyte data sources.
光盘有600兆字节的容量，非常适合需要大存储量的计算机应用。
Optical disc has a 600 Megabyte capacity and are well suited for the computer applications needing the vast storage.
当消息较大(几兆字节而不是几千字节)时，可能需要较多的内存。
When messages are large (megabytes rather than kilobytes), memory requirements can be significant.
但如果字符串是一个地址或可选的字段，那么磁盘上可能会有成兆字节的零。
But if the string is an address or optional field, you may have megabytes of zeroes on disk.
到2001年1月为止，它包含了749兆字节的信息，在全球有一百多个镜像站点。
As of January 2001 it contains 749 megabytes of information, and is mirrored at more than one hundred sites around the world.
与旧的VG类型一样，其大小使用兆字节为单位，并且大小变量必须等于2的整数幂。
As with the older VG types, the size is specified in units of megabytes and the size variable must be equal to a power of 2.
现在，设想有第二个应用程序，其中用户上载由许多更新事务组成的数兆字节的大型文件。
Now, imagine a second application where users upload large, multi-megabyte files composed of many update transactions.
尽管如此，如果您不得不处理吉字节的源文档，则相比较之下，即使兆字节大小的块也显得很好管理。
Still, if you have to worry about gigabyte source documents, even a megabyte block looks pretty manageable in comparison.
例如，一些消息可以非常小(小于200个字节)，同时一些消息可以非常庞大(大于10兆字节)。
For instance, some messages will be very short (less than 200 bytes) while some messages may be giant (greater than 10 Mbytes.)
例如，您可以将堆的数量(默认情况下以兆字节为单位进行显示)更改为千兆字节或更改为总堆的百分比。
For example, you can change quantities in the heap, which are shown in megabytes by default, to gigabytes or to a percentage of the total heap.
例如，您可以将堆的数量(默认情况下以兆字节为单位进行显示)更改为千兆字节或更改为总堆的百分比。
For example, you can change quantities in the heap, which are shown in megabytes by default, to gigabytes or to a percentage of the total heap.
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