你便要他们准备表面粗糙的材料进行。
You will then need to roughen the surfaces to prepare them to hold the materials.
把表面粗糙化也可能是减小飞机反作用力一个办法。
There may also be a way to cut aircraft drag by making some surfaces less slippery.
纺锤节表面粗糙，因为里面的纤维是随机交织在一起的。
The spindle-knots have a rough surface, because the fibrils within them are randomly interweaved.
叶表面粗糙程度越大，颗粒物附着密度越高。
The larger the roughness of leaf surface, the larger density of the particles was.
喷塑差的：漏喷，表面粗糙，而且喷粉易掉。
Spray: spray leakage, poor surface roughness, and the powder is easy to fall.
产品为中等强度、颗粒呈等积形、表面粗糙。
Product Characteristics: Medium toughness; blocky shape; rough surface.
硬纸板都破了，用木头做的小骰子表面粗糙，躺也躺不平。
The board was cracked and the tiny wooden dice were so ill-cut that they would hardly lie on their sides.
而非胚性愈伤组织质地松散有水渍状、表面粗糙、多呈白色。
On the contrary, the non embryogenic callus was loose in texture, rough in surface, watery and white in color.
如果使用了上述添加剂，化学反应可能就不限于表面粗糙的接触。
If such additives are used then the chemical activity may not be restricted to the asperity contacts.
为了取得很好的粘结，粘结剂必须能克服表面粗糙和边界层的反应。
For a good bond, an adhesive must counteract the effect of surface roughness and boundary layers.
结果收缩期脱垂的二尖瓣表面粗糙并向左房膨出，可伴有腱索异常。
Results The surfaces of the prolapsed mitral valves showed rough and accompanied with abnormal tendinous chordae , and their bodies projected into left atrium during systole.
各种种类的蝙蝠永远都是从表面光滑的盘子中获取饮水而非表面粗糙的。
Bats of all species repeatedly attempted to drink from the smooth plates, but never from the textured plates.
不正确使用铸铁平板，如用平板检验表面粗糙的工件会造成很快磨损等。
Not the correct use of cast iron plate, if use flat surface roughness of workpiece inspection can cause soon wear etc.
与天然砂相比，机制砂富含石粉，颗粒表面粗糙多棱角，并且岩性多样。
Compared with nature sand, MS (manufactured sand) is characteristic of rough particle and angular, with a large amount of stone dust and lithofacies diversity.
这一表面粗糙，但重量轻，结构紧凑的环境系统为工业过滤带来了多功能性。
The rugged, yet lightweight, compact and ergonomic system brings versatility to the industrial filtration market.
目前三维地层表面建模方法构建的三维地层模型上表面粗糙，与地形不一致。
Three dimensional strata model, constructed by the published modeling approaches, is inconsistent to the terrain.
讨论了改性剂结构、浓度、处理物表面粗糙程度及洗涤次数对接触角的影响。
The influence of structure and concentration of modifier, roughness of fabric surface, and washing cycles on contact angle were discussed.
微观的吸留现象在表面粗糙的天然纤维上比在光滑的圆形化学纤维上较为重要。
Micro - occlusion was more important for tougher surfaced natural fibers than for smooth, round man - made fibers.
结果表明，当表面粗糙因子取最大值时，所得接触角的理论值都与实验值相符。
The contact angle (CA) evaluated from the model is in good agreement with the value from experiments.
应该注意，表面粗糙的圆盘(第3号圆盘)在很多次试验中处于完全接触的状态。
It should be noted that the rough disk (disk no. 3) was in complete contact for most of the trials.
天然朽木填料表面粗糙，具有较好的吸附性能，适合微生物生长，抗冲击负荷能力强。
The crude touchwood carrier with a coarse surfacewas of great absorption so that it was suitable for the microorganisms to grow on and it wasable to adapt to variable volumetric loading well.
和天然集料相比较，再生骨料具有强度低、表面粗糙、吸水率大并及含有结晶水等特点。
In contrast with natural aggregate, The feature of recycled aggregate is low intensity, Roughness surface, large absorbing water, Including crystal water and so on.
考虑到杂质和表面粗糙的散射，运用量子统计的格林函数方法，计算金属薄膜中的电导率。
Taking into account impurities and rough surfaces scattering effects, using the Quantum-statistical Gree's function approach, We calculate the conductivity of metallic film.
在喷涂前，对基本表面进行清洗、脱脂和表面粗糙化等预处理是喷涂工艺中一个重要工序。
Spraying at the former, the basic surface cleaning, degreasing and surface roughness, such as spraying pretreatment process are an important process.
使用地坪打磨机和无尘封闭手提磨机去除表面粗糙物，并提供涂装对表面所要求的粗糙度。
Carry out surface preparation by grinder and dust free self-enclosed portable grinder until to remove surface laitance and provide sound and textured surface.
同步碎石封层具有强度高、表面粗糙、防滑、不透水、耐久性好、防止雨天行车水雾等优点。
Synchronous chip seal layer has many advantages, such as high strength, surface, non-slip, waterproof, durability, preventing driving rain and so on.
随氧分压增加，（002）衍射峰的角度变大，表征薄膜表面粗糙程度的方均根粗糙度减小。
With the increasing of oxygen partial pressure, angle of (002) diffraction peak becomes larger and surface RMS of the films reduces.
随氧分压增加，（002）衍射峰的角度变大，表征薄膜表面粗糙程度的方均根粗糙度减小。
With the increasing of oxygen partial pressure, angle of (002) diffraction peak becomes larger and surface RMS of the films reduces.
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