它有圆形的截面面积，并长期船体。
It has the circular shape of sectional area, and a long hull.
飞机的长度和最大横截面面积之比也会影响音爆的强度。
The ratio of aircraft length to maximum cross sectional area also influences the intensity of the sonic boom.
补偿活塞组件降低活塞上下表面之间的截面面积的差异。
The compensated piston assembly reduces the difference in cross-sectional area between the upper and lower surfaces of the piston.
在其他换言之，它是通过不同的截面面积在一个严格的形式。
In other words, it does this by varying the cross-sectional area in an exacting form.
标距长度和试样在直径减少处的横截面面积之间有固定的关系。
There is a fixed relationship between the gauge length and the cross-sectional area of the test-piece at the reduced diameter.
增加有缘层长度与有效截面面积，也有利于减小SOA的啁啾。
Reducing input light power or increasing length and effective area of active layer, we can reduce the SOA chirp;
主梁截面面积变异对斜拉桥跨中挠度和尾索索力具有显著的影响。
The variation of sectional area of girders has influence to the deflection of cable-stayed Bridges at the middle of span and forces of cables anchored at the end of side span.
如土壤类型，衬里这种事（如有），横截面面积和形状都影响损失。
Such things as soil types, linings (if any), cross-sectional area and shape all affect losses.
在示例中可以看到，采用本法来决定上述构件的截面面积是简捷而安全的。
It can be seen from these examples that the procedure for determining the sectional areas of such members is relatively simple aud safe.
建立了精确计算直齿锥齿轮轮体积以及沿齿长方向各截面面积的数学模型；
The mathematical pattern for accurately calculating volume of tooth and areas of each section which is dispersed along the length of tooth is established.
影像学检查：椎管矢状径增加，椎管横截面面积明显扩大，脊髓膨隆良好。
Radiologic Results:sagittal diameter of vertebral canal and trans. sec. area increased and spinal cord were well than preoperative status.
此外，桩基础桩截面面积和桩靴面积的差异，也是影响桩基适宜性的因素之一。
Moreover, the different acreage of pile section and pile shoes is another influence factor.
弹簧覆盖率：床垫上所用弹簧的最大截面面积总和与床垫实测面积的百分比值。
Spring coverage: a spring mattress on the sum of the maximum cross-sectional area measured with the mattress area percentage.
单位长度上分布钢筋的截面面积不宜小于单位宽度上受力钢筋截面面积的35％；
The cross sectional area of the distributing concrete every unit length should be not suitable less than 35% of the ratio of reinforcement;
浇道位置为环形浇道，横浇道设计成扁梯形横浇道，内浇道截面面积根据公式求取。
Ring pouring channel was set for pouring position. Ladder-like horizontal gate was designed for horizontal gate. Section area of ingate was calculated by the equation.
本文假设了接近砖烟囱实际截面面积的函数，推出了一个变系数的自由振动微分方程。
In this paper, a cross-section function of brick chimney has been assumed based on traditional hypothesis and a variable coefficient free-vibrating differential equation has been derived.
结果表明，离心力场的施加对于充型过程有重要影响，熔体以变化的截面面积和倾角填充铸型。
Results show that centrifugal field has an important influence on the filling process and melt fills the mould with variational cross section and inclined Angle.
分析了极限承载力与钢管混凝土柱长度的关系以及混凝土截面面积对极限承载力的影响等问题。
The relationship between the ultimate bearing capacity and the length of the columns is presented, and the effect of cross-section area is also considered in the present simulations.
提出了一种通过测量方坯截面面积在线计算方坯质量的方法，通过该方法可以实现方坯的定重剪切。
A new on-line calculation method for billet weight by measuring its cross section was presented, and cut-by-weight of billets could be realized by this method.
学生要确定两个横截面面积相同而形状不同的铝梁实验样本的相对刚度，并研究结果如何与理论一致。
Students will determine the relative stiffness of two aluminum beam test specimens of equal cross sectional area but different cross-sectional shape and see how they conform to theory.
本文建立的性能预测模型考虑了气相的可压缩性和沿流道的截面面积的变化，介绍了数值模拟的方法和步骤。
A performance prediction model is established in this paper which taking ac count into gas compressibility and the change of cross section area of flow channel.
对预应力混凝土T梁进行优化设计，选取合理的截面有效高度及预应力筋截面面积，可以提高梁的承载能力，降低工程造价。
Optimizing a prestressed concrete T-frame beam, selecting reasonable effective height of section and prestressed steel area can improve the beam's performance and reduce the cost.
熔体截面面积随充型长度的增大而减小，而熔体截面倾角随充型长度的增大而增大，这种变化在型腔入口附近表现得更加明显。
Cross section area decreases and inclined Angle increases respectively when filling length increases, and the change becomes more obviously near the entrance.
当韧性材料被测试时，由于颈缩使横载截面面积减小，以至在受力没有增加的情况下引起应力的增加，以保证延伸继续如常进行。
When a ductile material is tested, the reduction in cross-sectional area due to waisting causes an increased stress without an increased force, to ensure that extension proceeds uniformly.
当韧性材料被测试时，由于颈缩使横载截面面积减小，以至在受力没有增加的情况下引起应力的增加，以保证延伸继续如常进行。
When a ductile material is tested, the reduction in cross-sectional area due to waisting causes an increased stress without an increased force, to ensure that extension proceeds uniformly.
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