查询词典 contra-aperture

Like the somewhat similar Hiller VZ-1 "Pawnee", the Aerocycle carried its single pilot and 32kW engine on a circular platform located just above two belt-driven, contra-rotating fifteen-foot propellers.

像有些类似希莱尔弗策- 1&波尼&的Aerocycle进行旋转15英尺的驱动螺旋桨，禁忌单的试点和32kW的发动机在一个圆形的平台上方还有两个带。

The problem of noise of the fan is studied with the non-linear theory, and pressure pulsation of axial flow fan's inside flow was measured by dynamic pressure sensor, the gas-structure coupled noise of contra-rotating axial flow fan was studied through a

摘要用非线性动力学的理论对风机噪声问题进行了分析，同时运用实验手段测量了轴流风机流场内部流动的压力脉动，从全新的角度研究了对旋风机的气固耦合噪声。

Spironolactone (used for its anti-androgenic properties) has been advocated for women in whom oestrogens are contra-indicated.

螺内酯主张用于对雌激素有禁忌的女性患者。

The Allowance of Doubtful Accounts often is described as a contra-asset account or a valuation account. Both of these terms indicate that the Allowance for Doubtful Accounts has a credit balance, which is offset against the asset Accounts Receivable to produce the proper balance sheet value for this asset.

Page 59 of 122 会计英语&坏账准备&账户通常被称为备抵账户或计价账户，这两个提法都表明该账户通常表现为贷方余额，与资产账户—&应收账款&相抵消，以全面反映该项资产在资产负债表中应显示的价值。

The Allowance of Doubtful Accounts often is described as a contra-asset account or a valuation account. Both of these terms indicate that the Allowance for Doubtful Accounts has a credit balance, which is offset against the asset Accounts Receivable to produce the proper balance sheet value for this asset.

Page 59 of 122 大家网会计英语论坛 bbs.topsage.com/index_111.html 会计英语&坏账准备&账户通常被称为备抵账户或计价账户，这两个提法都表明该账户通常表现为贷方余额，与资产账户—&应收账款&相抵消，以全面反映该项资产在资产负债表中应显示的价值。

The B-1 was fitted with two co-axial contra-rotating three-bladed rotors.

这架B - 1，装有两个合作轴销旋转三转子叶片。

The XH-59A 's ABC system consisted of two three-bladed, coaxial, contra-rotating rigid rotors, both of which were driven by the craft's single 1825shp PT6T-3 Turbo Twin Pac engine.

的 XH - 59A条的ABC系统由两三个刀片，同轴，对应刚性转子旋转，两者都是由发动机驱动的工艺的单1825shp PT6T - 3涡轮双豆。

To meet a Soviet Naval Air Force specification in the late fifties for an antisubmarine helicopter for ship or shore-based use, the Kamov bureau developed a helicopter powered by twin turbines installed side-by-side above the cabin, which drove two three-bladed coaxial, contra-rotating rotors as on their other aircraft.

为了满足其反潜直升机的船舶或岸上使用前苏联海军空军在50年代末规格，卡莫夫局研制的双涡轮机驱动的直升机机舱内安装以上，其中开车边按边两个三刃同轴，禁忌旋转的转子上的其他飞机。

Like its military counterpart, the Ka-25K is based on a rotor system of two three-blade co-axial contra-rotating rotors on a tall mast.

就像它的军事对口家25K型是基于两个三叶片同轴潮水式旋转转子转子系统在高高的桅杆。

The Ka-26 , designed at the beginning of the sixties, is built for maximum simplicity and versatility as a "lifting system" consisting of the powerplant, contra-rotating rotor assembly, cabin, landing gear and twin endplate fin tail unit.

这家26，在60年代设计的开始，是拥有最大的简单性和通用性为&提升系统动力装置的&组成的，对应旋转转子装配，座舱，起落架和双端板翅尾单位。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。