To accurately control the amount of force applied to the bit, the driller carefully monitors the surface weight measured while the bit is just off the bottom of the wellbore.
为准确地控制施加于钻头上的力的大小，当钻头刚刚离开井底时司钻要仔细监测地表测得的重量。
The authors say that this finding may mean that even apparently healthy women have, under the surface, issues related to food, weight and body image.
作者说，这一发现也许意味着即使是看起来健康的妇女在心底也会隐藏着有跟食物、体重和身材相关的问题。
A good rule of thumb is to replace your running shoes every 300 to 400 miles, depending on your running style, body weight, and the surface on which you run.
在一个好的经验是，每300到400英里时，就更换你的跑鞋，这也取决于你的跑步方式，体重，以及在什么地方跑步。
For humans to distribute their weight widely enough to not break the water's surface tension, each shoe would have to be several times larger than a football field, Lauga explained.
Lauga解释道，因为如果要让人类体重足够分散而不至于超过水的表面张力的话，每只鞋子的面积必须比足球场大数倍。
Because of their unique surface, each medal is struck with 12 dies - nine times with 1,900 tons of pressure, the weight of more than 700 automobiles.
由于他们独特的表面，每一枚奖牌用12个模子打造而成，压力是1900吨物品的9倍，重量超过700部汽车。
Of course, there are still challenges, such as reducing the weight of the balloons, dealing with wind, and designing the optimal system for transporting the energy down to the surface.
当然，还有很多挑战，例如，减轻气球的重量，处理风的问题，设计最理想的系统传输能量到地面。
We know that air can be compressed, and it is reasonable to suppose that the air at the surface of the earth is compressed by the weight of all the air on top of it.
我们知道空气是可以压缩的，因而我们有理由假设：地球表面的空气受到该空气层上部所有空气重量的压缩。
Drawings will also include the material part Numbers, tolerances clearances, surface machining symbols, heat treatment information, surface protection, material weight and other necessary information.
图纸内容还应包括材料部件编号，间隙公差，表面机械加工符号，热处理信息，表面保护，材料重量，以及其他的必要内容。
The most powerful people in the heart are those who shoulder the weight of the surface is very indifferent people.
最强大的人是那些在内心扛住千斤重，表面却很淡然的人。
Tweed: Medium - to heavy weight fabric, rough in surface texture, produced in a great variety of colour and weave effects.
粗花呢：中等重量到较重的衣料，表面质地粗糙，有各种不同的颜色和编织图案。
In other directions than the surface nothing limits the air's expansion but its own weight.
在除地表外的任何方向上，除了空气本身重量外，是没有东西可以限制它的扩展的。
It should have high surface precision and enough intensity and rigidity. But the limited space and weight target make the contradictions between space and rigidity, rigidity and weight.
它要求有相当高的阵面精度、刚度和强度，但有限空间和重量指标使空间与刚度，刚度与重量这些固有矛盾尖锐化。
They are characterized by ruggedness, light weight, high sensitivity, low acoustic impedance, easy conformability to complex surface, low cost and large bandwidth.
它具有耐磨、量轻、灵敏度高、声学阻抗低、容易固定在复杂的表面、价格便宜，频带宽等特点。
The update is intended to prevent drug overdosing of children with low body weight, low body surface area, and very low serum creatinine.
最新信息意图预防低体重、低体表面积和很低血清肌酸酐的儿童药物过量。
Objective To study the biomechanical response and the role of articular surface on the femur-tibia model under impact loading of the body weight.
目的研究人体膝关节股骨-胫骨复合体模型在人体体重冲击下的运动力学响应特点及膝关节软骨关节面在载荷传导中的缓冲作用。
The atmosphere is all the air surrounding the earth. Atmospheric pressure is the weight of all that air against the surface of the earth.
大气指的是包围着地球的全部空气，大气压力是靠近地球表面的全部空气的重量。
Vibrating roller compacts the earth until it can bear the weight of the base course and wearing surface that will rest on it.
震动压路机将泥土压实，使其能承受上面的基层和磨损面的重量。
The result of experiment shows that the effect of weight on bit on the torque is different for two different conditions of surface scraping rock break and volume break.
分析试验结果得出，对于表面刮削破碎和体积破碎两种岩石破碎状态，钻压对扭矩的影响不一样。
The effects of surface treatment and weight loading of glass-fiberon mechanical and thermol properties of fiber reinforced PVC composite (GF/RPVC)are presented in this paper.
本文考察了玻璃纤维增强聚氯乙烯复合材料（GF／PVC）中玻璃纤维的表面处理及加入量对力学性能的影响。
They have enough surface to wrap your hands around comfortably, and enough weight to feel solid in the hands and to resist body tremor…but are still compact and light enough to be a joy in the field.
他们有足够表面足够，和舒适地大约包你的手完全地在手有感受，抗身体震颤的重量 …但是还是小型和足够轻的是在领域方面的欢乐。
Conclusion There was a progressive increase in renal length and width with age, the renal length and width positively correlated with the height, weight, body surface area of school-aged children.
结论学龄儿童正常肾脏长径和宽径随着年龄的增长而增长，且与身高、体重、体表面积呈正相关。
The sheet metal parts have been widely used in the automobile, aerospace and electronics industries owing to their light weight, great interchangeability, good surface finish and low cost.
板金件由于轻质、互换性好、表面光洁度高、成本低而被广泛应用于航空航天、汽车、电子等领域。
The adsorption isotherm of cetane pyridine chloride in sodium hydroxide solution on aluminium surface has been measured by corrosion weight losses and its corrosion inhibition has been investigated.
用失重法研究了氢氧化钠溶液中氯化十六烷基吡啶在铝表面上的吸附及其缓蚀作用。
The gravitational force acting on an object at the Earth's surface is called the weight of the object.
作用于地球表面上物体的引力，叫做物体的重量。
After correcting hypertension course of disease, weight index and influence of the area of body surface, the difference of LVMI disappears.
校正高血压病程、体重指数和体表面积的影响后，LVMI的差异消失。
Changes in specular reflectivity, weight loss, surface topograph and potential with time and current-potential curves during chemical polishing were determined.
测定了化学抛光过程中紫铜的表面光反射率、失重、表面形貌和电位随时间的变化以及抛光过程的电流-电位曲线。
Actually the idea had first floated into his head in the form of a vision of the glass paper weight mirrored by the surface of the gateleg table.
其实，他第一次想到这念头，全由于折叠桌面映出的镇纸，给他留下极深的印象。
High-strength aluminum alloy and Oxford leather stretcher surface is made, it has a light weight, small size, easy to carry, safe, easy-cleaning etc.
采用高强度铝合金材料和牛津革担架面制成，它具有重量轻，体积小，携带方便、使用安全、易消毒清洗等优点。
High-strength aluminum alloy and Oxford leather stretcher surface is made, it has a light weight, small size, easy to carry, safe, easy-cleaning etc.
采用高强度铝合金材料和牛津革担架面制成，它具有重量轻，体积小，携带方便、使用安全、易消毒清洗等优点。
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