unamortized premiums on bonds sold

design and implementation of marine main engine remote control system based on plc

基于PLC的船舶主机遥控系统设计与实现

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design of main engine remote control system based on programmable logic controller

基于可编程控制器的主机遥控系统的设计

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the design and analysis on speed feedback link of main engine remote control system

主机遥控系统转速反馈环节的设计与分析

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research and realization on the total integrated reconstruction of the main engine remote control system

全集成船舶主机遥控系统的研究及实现

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when my ship was approaching the harbour, the main engine remote control system was out of order unexpectedly.

我们的船在快进港时，主机遥控系统突然出现了故障。

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somehow, you spired my burried passion, sparkling the fire of love again.

可是，不知为何，你的出现激起了我深埋的激情，再次点燃了爱的火焰。

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with a striking red-tiled roof and spired towers, the 10-storey hotel pays homage to singapore's classic colonial style of the early 1800s.

10层楼高的酒店，楼顶建有以夺目红砖砌成的塔尖，凸显新加坡于1800年代初的经典殖民地色彩。

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the gold-spired stupa is also known as the "monkey temple, " named for the population of rhesus monkeys that roam its grounds.

这座金身的佛塔又被称为“猴庙”，那是因为有一群恒河猴常常在这里漫步。

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by contrast, the iss is a complex and multi- spired mechanism, one of the largest and most sophisticated machines ever created by humanity.

相较之下，国际太空站拥有较复杂的多重结构，是人类所创造最巨大且复杂的仪器之一。

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angular momentum, mechanical energy and runge-lenz vector are conservation in inverse-square central force field.

在平方反比有心力场中运动的质点，其角动量、机械能及Runge-Lenz矢量守恒。

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if we choose the coordinate origin at the balance position of the spring oscillator, in any uniform conservation field of force, the formulation of mechanical energy conservation law of the spring oscillator will be the same form.

若选择弹簧振子的平衡位置为坐标原点，无论弹簧振子处于何种均匀的保守力场中，其机械能守恒定律的最终表达式将完全相同。

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design and testing of these physical systems rely on standard design practices that employ the laws of conservation of force, mass, and energy.

这些物理系统的测试依赖于对作用力、质量和能量守恒定律的标准设计实践。

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analysis of the intellectual roots of helmholtz's paper named "on the conservation of force"

亥姆霍兹《论力的守恒》的思想根源分析

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about 15000 american tourists visit africa on hunting safaris every year, according to conservation force, a nonprofit group that advocates responsible hunting.

根据倡导良心狩猎的非营利组织“保护力量”（Conservation Force）提供的数据，每年有1.5万名美国游客前往非洲进行狩猎游。

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the conservation and transformation of movement are a basic law in nature.

物质运动在量上的守恒和在质上的转化是自然界的一条基本法则。

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compared with the prewar conservation movement, the postwar environmental movement had some remarkable characteristics, and it had tremendous influences on the social economy, people's environmental consciousness, the environmental protection practice and many other aspects.

与战前的资源保护运动相比，战后美国环保运动具有显著的特点，并且环保运动对美国的社会经济以及人们的环境意识和环保实践等诸多方面都产生了很大的影响。

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conservation movement is a product of american society progress.

美国的自然资源保护运动是美国社会进步的产物。

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this paper has proved that the system consisting of the moving charge particles is still complied with the law of conservation of momentum, if, in addition, the momentum of the electromagnetic field is considered.

在考虑到运动的带电粒子的机械动量的同时，也考虑到电磁场的能量和动量，从而证明了，在运动的带电粒子和电磁场组成的系统中动量仍然是守恒的。

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or newton's cradle, a row of dangling metal spheres that knock against one another, sending the end members flying in demonstration of newton's law of conservation of momentum.

或是牛顿摆（Newton's Cradle）。牛顿摆是一排悬挂的金属球，它们互相碰撞，将末端的球弹出，展示了牛顿动量守恒定律。

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when the motion tracks of two objects intersect, they may collide and have interference. before and after their collision, they meet law of conservation of momentum and law of conservation of energy.

两个物体的运动轨迹相交时，将发生碰撞、干涉，在碰撞前后满足动量守恒和能量守恒定律。

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