DB2 Express-C is a free product, and thus does not have official IBM support.

DB 2Express - C是一个免费的产品，因此没有正式的IBM支持。

youdao

C - amount of free physical memory.

c—空闲物理内存量。

youdao

You can also use DB2 Express-C, which is free to use.

也可以使用免费的DB 2Express - C。

youdao

Magnetic, direct d. c. drive built for continuous, maintenance free operation.

直接磁力驱动技术，免维护，长期连续运转。

youdao

Magnetic, direct d. c. drive built for continuous, maintenance free operation.

直接磁力驱动技术，免维护，长期连续运转。

youdao