So, how studies can accurately prediction to the ducted propeller hydrodynamic performance is more important.

At first, the thermodynamic calculation of Solid Ducted Rocket is researched.

在此基础上,首先对固体冲压发动机热力计算展开了研究分析.

EC-135 Eurocopter helicopters combined with the low noise ducted propeller end of patented technology.

EC-135直升飞机结合欧洲直升机公司的低噪音涵道尾螺旋浆专利技术.

Consequently, the high percentage of trauma-in-ducted amputation resulted from inexperience in the workplace.

结果, 因为无经验,在工作场所造成的截肢伤害,在此时占了极高的百分比.

Trial producing a austempering ductile iron of oblique wedge to replace steel.

试制一种新型的奥氏体──贝氏体球铁斜楔,代替原来的铸钢件.

In Petroleum, chemical and Marine applications, Ductile Iron Does it!

在石油 、 化工和海运领域, 球墨铸铁发挥着非凡的作用!

' steel in this class is tough, ductile and easily machined. "

这种钢强韧, 延展性好,而且容易加工.

Slip ductile thin, juicy meat, wei xiang delicious, distinctive flavor.

皮薄韧滑, 汁多鲜美, 味香可口, 别具风味.

The main ore-controlling structure is Zaiziwan brittle-ductile shear zone.

主控矿构造为寨子湾韧-脆性剪切构造带.

Characteristically, metals are opaque, ductile, and good conductors of heat and electricity.

从特点来看, 金属不透明, 有韧性, 是热和电的良导体.

Basic structures have Xiyoufang thrusting-nappe ductile shear zone and Jiangjiashan overfault.

主要构造有西油房逆冲 — 推覆韧性剪切带及蒋家山逆断层.

Shrinkage and dispersed shrinkage are the special waster of ductile iron.

缩孔和缩松是球墨铸铁特有的废品现象.

Materials: Grey Iron, Ductile Iron, wear and heat resistant alloy iron.

材质包括: 灰铁 、 球铁 、 耐磨、耐热合金铸铁.

Artists use copper because it's one of the most ductile metals.

艺术家们使用铜作材料,是因为铜是延展性最好的金属之一.

The metal is very hard and strong and less ductile than before.

金属会非常坚硬、坚固,并比以前减少了韧性.

Ductile-brittle transition mechanism is discussed concerning machining parameters and material property.

通过讨论加工参数和材料特性来研究脆塑性转换机理.

Whereas the alloy with low Na content exhibited ductile fracture with dimples.

而钠含量较高的合金发生韧性断裂,断口为韧窝型.

Ductility is a measure of the degree of plastic deformation that has been sustained at fracture.

延伸度是指材料在断裂时发生的塑性形变程度的量度.

Analysis shows that the confined concrete can obviously improved bearing capacity and ductility.

分析表明,约束混凝土可以显著提高其承载力和延性.

The larger the thermal gradient, the lower the anisothermal ductility.

温度梯度越大, 不等温韧性越低.

Silicon bronze has the ductility of copper but much more strength.

硅青铜不但具有铜的可锻性,而且还具有很高的强度.