查询词典 ballistic pendulum

In 1656, Christiaan Huygens invented the pendulum clock, which used weights and a swinging pendulum.

在1656年，克里斯蒂安惠更斯发明了钟摆的时钟，用度量衡和单摆摆动。

BALLISTIC and nuclear adventurism by Kim Jong Il this year has not fundamentally changed Japan's calculations about its safety—the North Korean threat, after all, has been around for a while.

金正日今年的弹道导弹和核冒险主义并未从根本上动摇日本对其自身安全状况的评估。毕竟朝鲜这一威胁已经存在了一段时间了。

This paper discusses the theory method calculating surface temperature of ballistic target above aerosphere, and analyses the effect of dimensional orientation of target s flight gesture and sun radiation direction on its surface temperature.

论述了大气层外弹道式目标表面温度的计算方法，对某弹道式目标大气层外飞行过程中当太阳辐射方向改变时其表面温度的变化情况进行了数值计算，分析了目标飞行姿态与太阳辐射方向之间空间方位关系的变化对目标表面温度的影响。

Treatment of bladder stones with air pressure ballistic lithoclasty by cystoscopy or resectoscopy is simple and safe,being a kind of effective and minimal invasive technique for bladder stones.

经电切镜鞘途径气压弹道碎石治疗膀胱结石安全、疗效可靠、损伤小，是一种值得推广的高效微创技术。

Alstroemeria aurea is a perennial herb with clonal rhizomatous growth, insect pollination, and ballistic seed dispersal that inhabits a range of different environments in the southern Andes.

Alstroemeria aurea是一种多年生草本植物有著以地下茎的生长，昆虫授粉和弹出的种子散布进行舞殖，在南安地斯山脉中可以栖息在不同环境之下。

The power system forced oscillation introduced by anharmonic periodic disturbances is then discussed. The effect of complicated pressure pulsation, ballistic pressure pulsation and quasiperiodic pressure pulsation on the stability of power system based on a single machine infinite bus power system and multi-machine power system are analyzed respectively through simulation.

从理论上探讨非简谐周期性扰动下的电力系统强迫振荡，并通过时域仿真分析单机无穷大系统和多机系统中汽轮机复杂压力脉动、准周期压力脉动及冲击性压力脉动对电力系统稳定性的影响。

I want anti-ballistic missile systems to protect ourselves and our allies from a rogue nation.

我要用反弹道导弹系统来保卫我们自己和盟国免受诬赖国家的攻击。

But Russia is in a foul mood over American plans to install anti-ballistic missile batteries in eastern Europe.

但是俄罗斯对美国在东欧建立反弹道导弹的计划十分不满。

The two leaders underline that the 1972 Anti-Ballistic Missile Treaty is a vital cornerstone of global strategic security.

两位领导人强调1972年的反弹道导弹条约》全球战略安全的基石。

We are opposed to it because it is against the Anti-Ballistic Missile Treaty and it can only lead to an international arms race.

因为它违反了反导条约，同时它只会导致国际的军备竞赛。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。