导出单位

还有单位类似毫秒、微秒，有日、周、小时、世纪、月等，这些都是导出单位。

We have milliseconds , we have microseconds we have days , weeks , hours , centuries , months all derived units .

除此之外还有很多导出单位，一些是为了我们，日常生活的便利，一些则只用于特定的领域，这其中的单位有厘米、，毫米、千米。

Now , there are many derived units which we use in our daily life for convenience and some are tailored toward specific fields We have centimeters , we have millimeters , kilometers .

从能量的角度出发，在分析飞机可用推力（或换算推力）、阻力（或换算阻力）以及剩余推力的基础上，推导出单位剩余功率。

Based on the principle of energy method , the specific excess power is deducted by analysis of airplane available thrust .

本文通过一理想模型推导出单位重量锌粉总表面积与锌粉粒径及假密度的乘积成反比的关系式，并进行了试验验证。

This paper , by an ideal model , deduces the relational expression that overall area of unit zinc deposit has inverse proportional relation to product of zinc powder particle multiplied by specific density , and makes the test to prove .

根据三相三开关Boost型功率因数校正交流侧的等效电路，推导出实现单位功率因数所需的控制方程，并用积分复位控制电路进行实现，在理论研究的基础上进行了仿真研究。

According to the AC side equivalent circuit of the three-phase three-switch Boost type power-factor-correction , the equations to realize unity power factor have been deduced and realized by Integrate-Reset-Control circuit . Based on the theory analysis , the simulation is studied .

本文利用气体动力函数分析了低压废汽喷射制冷机的工作特性，并导出了单位耗汽量和喉部面积比的计算公式。

An analysis is made of the performance characteristics of the lower pressure waste steam jet refrigeration machine by using the gas dynamic function . The theoretical calculating formulas for specific steam consumption and throat area ratio are also derived .

根据水涡轮机械的工作原理，对几何相似的水涡轮机械，导出了其单位工作参数所必须满足的方程.同时导出了水涡轮机械水力效率参数方程。

The unit working parameter equations and hydraulic efficiency parameter equations for geometrically similar water turbomachinery are derived .

导出了在单位水平移动荷载作用下，拱圈内力与支承反力影响线的计算公式。

Some formulas of inner force of arch ring , and the line of reaction of support with the action of unit live load are presented .

推导出供方短期单位总成本，并求出边际成本曲线，即供应函数。

According to this production function , the unit total cost and marginal cost of supplier can be calculated , so the supplier can adjust the supply according to the change of market .

以系统故障次数N为策略，推导出系统长期运行单位时间内的期望费用表达式，并通过实例分析，求出最优策略N。

A policy N is adopted by the Nth failure of the system , then the system long-run average cost per unit time is evaluated .

导出了系统的单位冲激响应、传输函数和等效噪声带宽；

The unit impulse response , transmission function and equivalent noise bandwidth of the system are deduced ;