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Perfect grade and grayness engraving.是什么意思？

Perfect grade and grayness engraving.

完美的坡度雕刻、灰度图雕刻.

相关词汇
perfect grade and grayness engraving

perfect

adj. 完美的，正确的，优秀的，极好的；n. [语]完成时；
例句
No model can ever be a perfect analogue of nature itself.
任何模型都无法完全模拟自然本身。

grade

n. 等级，职别，成绩等级，年级；vt. 安排，依序排列，依等级排列，评估，评分；vi. 属于…等级，缓缓地变化或发展；
例句
South Point College does not grade the students' work.
南点学院不对学生的作业评分。

and

conj. 和，与，而且，于是，然后，因此；
例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

grayness

n. 灰色，阴暗；
例句
Perfect grade and grayness engraving.
完美的坡度雕刻、灰度图雕刻.

engraving

n. 版画，雕刻（作品），雕刻艺术，镌版术；v. 在（硬物）上雕刻（字，画等）( engrave的现在分词 )，将某事物深深印在（记忆或头脑中）；
例句
...a color engraving of oranges and lemons.
橙子和柠檬的彩色版画
热门例句
He acknowledged publicly that he might have made a mistake.
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。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
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。
相关例句
'That's a type of whitefly, is it?' — 'Yes, it is a whitefly.'
“那是一种粉虱，对吗？”——“是的，是粉虱。”
Did you ever think of photographing an aerobics class?
你想过拍摄有氧运动课 吗 ?
He took a few notes and made computations.
他记了一点笔记，然后做了运算。
...an intrepid space traveller.
无畏的太空旅行者
At 20 he became the youngest player to score 2,000 runs in a season.
他20岁时就成为了在一个赛季中获得2,000分的最年轻的选手。
They had a barbecue on their patio on Sunday.
星期天他们在院子里进行烧烤。
The barren land could produce little food.
那贫瘠的土地几乎不长庄稼。
They live in a remote area, inaccessible except by car.
他们住在一处偏远地区，只能开车去。
You must begin afresh.
你必须重新开始.
Cyclopropane carbonyl chloride is an important intermediate.
环丙甲酰氯是一种重要的中间体.