Paintings must have rigid stretchers so that the canvas will be taut, and the paint must not deteriorate, crack, or discolor.
画必须有坚硬的画架，这样画布才会绷紧，而且颜料不能变质、开裂或变色。
Nevertheless, researchers have discovered that a process long known to discolor and toughen foods may also contribute to age related impairment of both cells and tissues.
然而，研究人员发现，一个长期以来众所周知的使食物变色和变硬的过程也可能与年龄相关的细胞和组织损伤有关。
Don "t worry, this is not easy to discolor."
放心吧，这个不容易褪色。
UV resistant - does not discolor in the sunlight.
抗紫外线——日光曝晒下不易褪色。
UV resistant, does not discolor in the sun light.
抗紫外线，日光曝晒下不褪色。
Otherwise, it may cause discolor or damage for cloth.
以免造成变色或布料损坏。
Third Question: Why do people's teeth discolor upon aging?
第三个问题：为什么人们的牙齿变色后衰老？
Stainless steel, which is what Buck USES, does not discolor easily.
巴克使用的不锈钢并不容易变色。
It also exhibits high thermal stability and a low tendency to discolor.
它还具有较高的热稳定性和较低的倾向变色。
These are pale discolor areas on the gills that is not normal, she says.
这些都在鳃是不正常的苍白褪色的地区，她说。
Black matte enameled interior does not discolor or rust and gets better with use.
黑色磨砂漆包线内部不褪色或生锈，更好的获取与使用。
The disease gets its name from streaks of yellow and white that discolor the leaves.
这个病疫得名于它会使玉米的叶子褪色，变成黄白色。
Drying can be accomplished gradually, and tendencies to scorch and discolor are within control.
干燥可以逐渐完成，而且可以控制烘焦和变色的趋势。
Objective To study Discolor Cinquefoil Herb on blood fat of hyperlipemia rats and rabbits.
目的探讨翻白草对高血脂大鼠和家兔的降血脂作用。
It conducts heat very well, its enameled surface does not discolor foods, and it is easy to clean.
搪瓷铸铁很容易导热，搪瓷表面也不会使食物脱色，而且还很容易清洗。
Outer fabric layer covers side frame, providing attractive shelter appearance. Will not discolor in sunlight.
外层织物包裹侧部结构，外观整洁美观，不易褪色。
Objective To investigate the hypoglycemic effects of extract of Potentilla discolor Bunge on experimental diabetes in rats.
目的探讨翻白草对实验性糖尿病大鼠的降血糖作用。
The dwarfing degree of SH interstocks could affect the discolor index and the contents of chlorophyll, amylum, and soluble sugar.
SH系中间砧的矮化程度影响红富士苹果叶片的变色指数以及叶绿素、可溶性糖、淀粉的含量。
They teach farmers, gardeners, and other plant growers how to fight viruses that can ruin a valuable crop or discolor a beautiful landscape.
同时传授农民、园艺工人和其他栽培人员如何对抗那些摧毁珍贵作物和美丽风景的病毒。
No. Any product with a mineral oil-based will discolor the acrylic surface and, due to their need to be waterproof, are not designed for easy cleanup and sanitizing.
不行。任何带有矿物油的产品都将使丙烯酸表面脱色。而且晒黑床是防水的因此在设计上很不容易清洗和消毒。
All the specimens cited above are deposited in Mycological Herbarium of Hunan Normal University MHHNU, except a few of H. discolor in HMAS and the Natural Muscum of Beiging.
除异色刺皮的部分标本保存在中匡科学院微生物研究所真菌标本室(HMAS)和北京自然博物馆外，其余标本全部保存在湖南师范大学真菌标本室(mhhnu)。
The results of antidazzling test showed that the part of discolor was able to finish the process of staining, achromatizing and photochromisming automatically, rapidly and reliable.
防眩实验结果表明：变色部分能够自动完成着色、消色和光致变色过程，工作稳定可靠；控制部分动作准确、运行良好。
The results of antidazzling test showed that the part of discolor was able to finish the process of staining, achromatizing and photochromisming automatically, rapidly and reliable.
防眩实验结果表明：变色部分能够自动完成着色、消色和光致变色过程，工作稳定可靠；控制部分动作准确、运行良好。
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