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r 是什么意思 |
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中文翻译与英英解释 | 短语和例子
R＝80000。 the ‘r' [R] months 九月到四月〔牡蛎当令的季节，月名都含有 r 字〕。 the three R's (作为初等教育基础的)读写算 〔reading, writing, arithmetic〕。
短语和例子
R ＝
1.〔拉丁语〕 recipe 【医学】处方。
2.radical.
3.Reaumur.
4.〔拉丁语〕 Rex, Regina.
5.radius.
6.ratio.
7.resistance.
8.retree.
9.roentgen.
10.range.
11.registered.
12.rifle.
13.regulating.
短语和例子
r ＝
1.refrigerator.
2.rod.
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| the length of a line segment between the center and circumference of a circle or sphere
同义词：radius,
| | the 18th letter of the Roman alphabet
同义词：R,
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| R (named ar "R", Oxford English Dictionary, 2nd edition (1989); "ar", op. cit. |
例句与用法 | 1. | Critical points of r are eigenvectors of a .
R的临界点是A的特征向量。
| | 2. | Both the r groups are alkoxy residues .
两个R基团都是烷氧基。
| | 3. | The beam bends to a circular profile of radius r .
梁弯曲成半径为R的园形形状。
| | 4. | R is tetramethylene, pentamethylene, or hexamethylene .
R为四甲撑、五甲撑或六甲撑。
| | 5. | R must be partitioned for each individual component .
对各个组成部分的R必须加以区分。
| | 6. | If a is any ideal of a, the radical of a is r(a) .
设a是A中的任意理想，它的根是r（a）。
| | 7. | Antibodies were part of the r-globulin fraction of serum .
抗体是血清r-球蛋白的一部分。
| | 8. | The effect of r rays was subtracted in all cases .
在所有的情形下，都已扣除r射线的效应。
| | 9. | There was no reference to anything named "the r document" .
没有发现对所谓的代号R密件有参考价值的东西。
| | 10. | Reynolds finds that turbulence begins when r exceeds about 2000 .
雷诺发现当雷诺数大于约2000时开始产生湍流。
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