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Cartographer is a simple, efficient object relational mapper engine.是什么意思？

Cartographer is a simple, efficient object relational mapper engine.

这是个简单 、 效的对象-关系映射工具.

相关词汇
cartographer is simple efficient object relational mapper engine

cartographer

n. 制图者；

is

vt.& vi. 是（be的三单形式；n. 存在；

simple

adj. 简单的，单纯的，易受骗的，天真的；n. 笨蛋，愚蠢的行为，出身低微者；

efficient

adj. 有效率的，（直接）生效的，能干的，（因省钱、省时或省力等而）收效大的；

object

n. 物体，目标，宾语，客体，对象；

relational

--

mapper

n. 制图人；

engine

n. 发动机，引擎，工具，火车头，机车；vt. 给…安装发动机；
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