传统机身设计要求使用重型结构材料，以便把机身横向重量转移到机翼下方的起落架和机轮上。
Conventional airframes require heavy structural material to transfer the fuselage's weight laterally to landing gear and wheels under the wings.
工程师们已经将树木和骨骼的结构特点融入到软件设计方案中，对设计对象的重量和外观进行优化。
Engineers have incorporated structural design lessons from trees and bones into software design programs for optimizing the weight and performance of materials.
土木工程师建造桥梁和其他结构的数学模型，从而在进入昂贵的实际建设阶段之前计算出所设计的结构能够承受多大的重量和压力。
Civil engineers build mathematical models of Bridges and other structures to calculate how much weight and stress they can bear before committing to an expensive construction phase.
他认为应该用雪花六角形结构矩阵来支撑，这源于其低重量和高质量的特点。
He has instead looked to the hexagonal matrices of snowflakes, which as structurally supported objects combine high volume with low weight.
因为这种结构把动作实施者（主语）和动作（谓语）放在首位。每一个词在文章标题中都有重量，充满活力的动词更有分量。
Every word has to pull its weight in a headline , and a dynamic verb can do a lot of heavy lifting.
因为这种结构把动作实施者（主语）和动作（谓语）放在首位。每一个词在文章标题中都有重量，充满活力的动词更有分量。
Every word has to pull its weight in a headline, and a dynamic verb can do a lot of heavy lifting.
但是要感谢更轻的齿轮和由很轻的材料制作的结构，像碳纤维，最新的型号重量接近1磅的发电机有希望在明年或者某些时候上市。
But thanks to lighter gears and a framework made of lightweight materials such as carbon fiber, the latest model, which is expected in the next year or so, should weigh closer to one pound.
内高压成形零件的强化，以及重量更轻，由于结构的完整性和减少焊接或添加件。
Hydroformed parts are stronger and weigh less due to structural integrity and fewer welds or add-on pieces.
为量规和发送仪器特别设计，结构简单、紧凑，可以降低重量、使泄露通路最小化。
Specifically designed to provide a compact installation for gauge or transmitter instruments, these valves feature reduced weight and minimum leak paths.
在正时齿轮室盖的结构设计中，增强刚度和降低重量是相互矛盾的。
In the structure design of gear chamber casing, strengthen rigidity and reducing weight were contrary.
本文给出了具有多个频率、位移和应力约束的结构最轻重量设计。
This paper presents a minimum weight design method of structures with multi frequency, displacement and stress constraints.
在生长季末，种群中根茎在累计长度和重量上均为增长型年龄结构。
The age structure of rhizome is an increasing model at length and weight at the end of growing season.
总说明书、重量重心计算书、稳性计算书、结构计算书、干舷和储备浮力计算书、不沉性计算书等内容。
Statement of the total weight calculation of center of gravity, stability calculation, structure calculation, freeboard and reserve buoyancy calculation, the calculation of unsinkable books and so on.
车钩结构要随着列车重量和速度的提高而不断更新。
The structure of couplers should be updated continuously with the increase of train weight and speed.
在结构、认证和要求设备、传动装置、重量与平衡限制、起落架、发动机等等方面都有着许多的差异。
There are differences in structure, approved and required equipment, rigging, weight and balance limits, landing gear, engine, etc.
一个结构物受到的荷载可分为包括该结构物各部分重量的静载和由于人及可移动设备的重量引起的活载。
The loads a structure is subjected to are divided into dead loads, which include the weights of parts of the structure, and live loads, which are due to the weights of people, movable equipment, etc.
另外，在折弯、抗扭强度相同时，重量较轻，所以也广泛用于制造机械零件和工程结构。
In addition, the utility model has the advantages of light weight and bending strength, and is widely used for manufacturing mechanical parts and engineering structures.
着重讨论了直接影响结构尺寸和重量的各关节轴上平衡力短的计算方法。
The discussion has been laid stress on the calculation method of balancing moment on each joint axle which affects directly on dimensions and weights of the structure.
具有足够重量的围护结构和间壁不会把声音从一处传到另一处。
Enclosures or partitions that have sufficient weight will not transmit sound from one area to another.
尺寸，重量和其它工程技术数据都可能改变或改进。这些数据不能用于结构中，除非得到工厂的确认。
Dimensions, weights and other engineering data are subject to change or modification. This data is not to be used for construction unless confirmed by the factory.
用干挖壕沟法研究了深沟施肥农艺措施对旱作苹果树根系的重量、结构和分布范围等的影响。
With the method of dry ditching, the paper studied the affection of deep ditch manuring measure to the weight, composition and distribution scope of apple root system.
通过优化设计及分析，主轴箱结构重量减轻了23.2%，三个方向上刚度和应力得到了合理的分布。
The result shows that about 23.2% of its weight has been reduced, and its deformation and stress distribution have been reasonable in three dimensions.
为了减轻床身的重量和保证床身的刚度要求，设计了板壁孔结构。
To reduce the lathe-bed and assure its stiffness requirement, a batten wall pore structure is designed.
本文提出一种新的馈源结构，由金属脊喇叭加载一个介质阻抗壁构成，经优化减小了馈源的体积和重量。
A novel horn feed composed of metallic ridged horn and dielectric impedance wall which has small dimension and weight is introduced.
为了减小整体结构体积和重量，现代燃料电池结构大量使用纤维增强复合材料。
Fabric reinforced composites are widely used in modern fuel cell stacks in order to decrease the volume and weight.
尺寸，重量和其它工程技术参数都可能变化和修改。除非与美国太平洋阀门公司确认，否则不能将这些参数用于结构设计中。
Dimensions, weights and other engineering data are subject to change or modification. This data is not to be used for construction unless confirmed by Pacific Valves.
以结构的总重量最小为优化目标，以导管的平均直径和壁厚作为设计变量，考虑强度、刚度和稳定等约束条件。
Total weight of the structure was selected to be optimal objectives. Average diameter and wall thickness of the structural element were taken as design variables.
但是PMA还需要其他辅助机构才能构成关节和手臂，使用中增加了体积、重量，也给结构设计和控制带来不便。
However, assistant devices are needed to construct joint or arm with PMA, which increases the volume and weight. This makes the structure bigger and the control more difficult.
但是PMA还需要其他辅助机构才能构成关节和手臂，使用中增加了体积、重量，也给结构设计和控制带来不便。
However, assistant devices are needed to construct joint or arm with PMA, which increases the volume and weight. This makes the structure bigger and the control more difficult.
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