d的双语例句-d造句-d的相关例句-简答网英语词典

1、

The second quotation is from an essay that D H Lawrence wrote in the nineteen-twenties.

第二段引文出自D.H.劳伦斯20世纪20年代写的一篇文章。

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2、

Decide whether the ball is in square A, B, C, or D, then call and leave your answer

选定球放在A、B、C、D哪个方格，然后打电话来，留下您的答案。

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3、

She went from a D in her mocks to a B in the real thing.

她模拟考试得了D，到了真正考试的时候却拿了个B。

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4、

If the note of D is sounded on a harp, all the corresponding D strings of other octaves will likewise resonate.

如果用竖琴演奏D音符，其他八度音阶所有相应的D弦都将发出共鸣。

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5、

This special form of vitamin D is naturally present in breast milk.

这种特殊形态的维生素D天然存在于母乳中。

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6、

Milk, oily fish and egg all contain vitamin D.

牛奶、油性鱼类和鸡蛋都含有维生素D.

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7、

Butter, margarine, and oily fish are all good sources of vitamin D.

黄油、人造黄油和多脂鱼都含有丰富的维生素D。

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8、

Two percent of total sales is spent on R and D.

总销售额的百分之二的花费在研究开发上.

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9、

Kevin: Yes, I've started, and I've found some good people for R and D.

凯文: 是的, 已经开始了, 而且我也找到了几个不错的研发人员.

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10、

In figure 24 'D' denotes quantity demanded and 'S' denotes quantity supplied.

在图24中，D代表需求量而S代表供应量。

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11、

This kind of lighting encourages vitamin D synthesis in the skin.

这种光照会促进皮肤中维生素D的合成。

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12、

At nine feet long and nearly 1000 pounds, with a steely black sheen and a price of more than$ 200000, the Steinway& Sons D-274 concert grand piano seemed designed to intimidate.

那是一架施坦威D-274音乐会三角钢琴。琴身有9英尺长（约2.7米），重量将近1000磅（约450公斤），泛着金属般的黑色冷光，价格超过20万美元——仿佛是专门设计出来吓唬人的。

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13、

C60 is a good electron acceptor, can make D-A molecular which is applied to photovoltaic devices designing;

C（60）是一种良好的电子受体，能形成D-A型分子体系，从而用于光电器件设计；

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14、

A sectional design technique is described in the paper, which. combined with the conventional high-speed bipolar digital IC technology, can ensure the monotonicity of D-A converters by using diffused resistors, eliminating the need for laser trimming. By using this technique.

本文介绍的分段设计技术只需要采用常规的高速双极数字IC工艺，采用扩散电阻方法，不需要微调技术，就能保证其D/A的单调性。

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15、

It was found that these complexes can accelerate the rate of the D-A reactions, but almost had no effect on the ratio of endo to exo of the products by introduction of various substituents in comparison with the reaction in the absence of the catalyst.

实验结果表明：与没有催化剂的反应体系相比，这些稀土配合物能明显加快反应速度，但未能明显提高产物的内外型比例。

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16、

We studied the thermal stability, electrical and photophysical properties via Cyclic voltammetry, Absorption and Fluorescence spectra, thermogravimetric analysis. The relationship between the polarity of solvents and the conjugation length of the D-A structure with luminescent properties have also been studied.

利用循环伏安法，紫外吸收光谱，荧光发射光谱，热重分析等对其电化学性能，光学性能，以及热稳定性进行研究，同时考察了溶剂极性和D-A结构共轭长度对发光性能的影响。

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17、

NIR dyes can be divided into metal complexes, ionic dyes, large π-conjugated compounds and donor-acceptor ( D-A).

近红外染料大致可分以下三种类型：金属配合物型、离子型和电子受体-电子供体（D-A）型。

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18、

Linear Measurement of D-A Converter

数模转换器的线性测量

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19、

I'd better send for an ambulance to take him to the hospital.

我最好还是叫辆救护车带他去医院.

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20、

She'd blossomed into a self-confident young woman.

她已长大成为了一个自信的年轻女性。

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