There are these dark streaks on the surface of the moon.

1、

My typewriter needs a new ribbon.

“我的打字机需要一条新色带了.

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2、

I have to change this ribbon before I write my maths paper.

我在写数学论文前,必须先换了色带. ”

英语晨读30分（初三）

3、

The instrument display of color and GB/ T6540 color quite, see attached color control chart.

本仪器表示的色号与GB/T6540中的色号相当性，见附色号对照图。

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4、

The color space was bigger in high lightness area, but smaller in low lightness area.

高明度区域的色号颜色间隔较大，低明度区域色号颜色间隔较小。

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5、

The yieid of refined diesel is above 99%, the stability has met the requirements of premium grade light diesel ( deposit < 2.0mg/ 100mL, and colority < 16).

精制油收率99%以上，其安定性达到了优级轻柴油的标准（沉渣＜2.0mg／100mL，色号≤16）。

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6、

The catalytic cracking diesel oil is refined by oxidation method using H_2O_2 and Na_2Cr_2O_7 as oxidants, and the colority, colloid and oxidated sediment as evaluating indexes.

选择氧化法精制催化裂化柴油，以过氧化氢和重铬酸钠作为氧化剂，建立以色号、胶质及氧化沉渣等性质作为评价催化裂化柴油安定性能的主要指标。

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7、

But putting thousands of shades on shop shelves would be "impractical," he says.

他说，然而在商店货架上摆放数千种色号的粉底液是“不现实”的。

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8、

Conclusion Although composite resins with the same color mark had the similar fillers, they had different color and infinity optical thickness.

结论相同色号的光敏树脂虽填料颗粒相同，但无限光学厚度存在差异，临床应用时最好预备多种树脂以备选色。

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9、

The mass ratio of adipic acid to mixed diprotic acid is 1 ∶ 2.The product of adipic acid is characterized by purity over 99%, melting point 151-152 ℃ and Pt-Co colority less than 50.

分离出的己二酸与混合二元酸的质量比为1∶2，己二酸产品的纯度为99%以上、熔点151~152℃、Pt-Co色号小于50。

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10、

First, the true size fabric simulation method with the different arrangements of yarn color and fine, warp and weft density and weave structure is analyzed, and matching scheme among yarn fine, fabric density and screen resolution is also designed.

对不同纱支色号、经纬密度、各种组织结构均配备好的织物外观进行了真实尺寸的仿真，探讨了纱线尺寸和织物密度与分辨率的匹配问题，实现了机织物的参数化仿真；

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11、

Conclusion: The results indicate that the method of mixed porcelain to make new colors for PFM prosthesis does work, and the mixing procedure could be conducted by accurate data in this study or more.

结论：采用两种或多种瓷粉混和的方法，可以弥补受色号限制的金瓷修复体色彩不足的缺陷，所得数据可指导临床混色时参考。

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12、

Analysis of Infinity Optical Thickness between Nine Kinds of Composite Resins with the Same Color Mark

相同色号九种光固化复合树脂的无限光学厚度研究

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13、

Study on preservation of green color of compound spinach juice 7 is compound.

菠菜复合汁的护绿研究复色系：7号。

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14、

Is compound. The Synthesis of Decabromodiphenyl Ether

复色系：7号。阻燃剂十溴联苯醚的合成

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15、

Colour determination method of liquid chemicals ( Hazen unit& platinum-cobalt scale)

GB/T3143-1982液体化学产品颜色测定法（Hazen单位&铂-钴色号）

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16、

Lancome's consultants first work out your facial skin tone using a handheld colorimeter-a type of digital scanner. The results are then run through a computer, which uses a proprietary algorithm to choose from 20000 different shades.

首先，兰蔻的咨询师会用一个手持色度计（一种数字扫描仪）测出你的脸部肤色，然后把结果输入电脑，电脑会用一种专有算法在2万种色号中做出选择。

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17、

Is compound. Synthesis of sulfonylurea herbicides

复色系：7号。磺酰脲类化合物的合成及活性研究

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18、

Under the optimum conditions, the color-grade of polymerized rosin glyceride was color 5# with softening point of 152~ 155 ℃, acid value of 10~ 16 mg KOH · g~ (-1).

在优化条件下，聚合松香甘油酯色泽为加纳色号5，软化点150℃以上，酸值10~16mg KOH.g-1。

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19、

The Evolutionary Stable Strategy of Evolutionary Games with Two Types of Players

具有两类局中人进化对策的进化稳定策略

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20、

The two types of authentication involve the following aspects

这两种类型的身份验证牵涉到以下几个方面

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