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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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他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
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追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
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