可计算的

Considering the effect of rough sea, a program called GRWAVE1 which may compute the electric field strength and phase has been written.

在地波程序GRWAVE的基础上，考虑了随机粗糙海面的影响编制了程序GRWAVE1，该程序既可计算地波场幅度又可计算其相位。

Consequently, the class PC of the plus cupping computably enumerable degrees is not an ideal of ?, the upper semilattice of the computably enumerable degrees.

因此所有加杯可计算枚举度组成的集合PC不是ε的理想，这里ε是所有可计算枚举度构成的上半格。

We compare the parallel characteristics of spectral element and finite difference from the point of view of communications, communication-to-computation ratio and scalability.

结合以矩阵矢量乘积为主的迭代计算特点，从通信量、通信计算比和并行可扩展性等方面比较分析了离散格式对于并行计算的影响。

So the paper analyzes system complexity by inversion, and it, in the theory, is also a non-computable problem or unsolvable problem, that is not to simply say a lot or hugeness.

另一个是理论上可计算性的，但实际中由于问题的计算量以非多项式增长无法在现有计算机可接受的时间内完成。

The results show that proper use of numerical calculation procedure can reduce numerical error dramatically.

结果显示，采用适当的值计算方法，仅可以低计算，能够大幅低误差，根据实际计算的结果，可低444倍。

The application of parallel technique to two-dimension sandpile model usually shortens computation time and increases efficiency. It would provide experience to study whether self-organized critical had scale effect further.

将并行计算技术应用到二维沙堆模型，将会减少大规模模型的计算时间，提高计算效率，为下一步研究自组织临界性是否具有尺度效应提供可借鉴的经验。

The influence of the linearization of rectifier external characteristic on the short-circuit current calculation is specially analyzed,because the exter.

给出了短路电流计算的数学模型，并利用可视化语言CVI完成了短路电流仿真计算；分析了整流机组外特性线性化对短路电流计算的影响。

In testing the rifting force of hydro-cylinder, a new calculating met hod was presented, which can calculate the rifting force everyw...

在校核油缸提升力时，提出了一种新的计算方法，可计算出任一位置时的提升力，从而可找出最大提升力，使校核更准确。

The main works are listed as follows:1 Thermal Computi ng model of steam pipe network were built with good match to actual operating dataThe thermal calculation model of steam pipe network was established according to the steam pipe network heat transfer characteristics and the thermal equilibrium principle,. It includes steam temperature drop expression, the expression of per unit length heat loss when steam pipe laying in different ways and total heat transfer coefficient expression.

该模型由管内蒸汽温降方程、不同敷设方式蒸汽管道的单位长度散热损失方程、总传热系数方程等组成，利用散热损失计算公式对钢套钢蒸汽保温管道不同敷设方式、不同管径的散热损失等总传热系数的影响因素进行了分析，计算结果表明三方程联合求解提高了新建蒸汽管网热力计算的准确度，可用于新建蒸汽管网的热力计算。

The present thesis construct the boundary model on carburettors which is based on themethod of characteristics. The IEM computer program for computing the wave action and ex-change gas process of the gas oline engine is accomplished by using the method of characteristics.

建立用特征线计算的代油器边界模型，利用非等墒特征线理论编制了可计算汽油机进气管内的压力波动及换气过程的计算机程序IEM，并用该程序对BJ492QA汽油机进行了计算，计算与实测的压力波曲线吻合良好，表明了该化油器边界模型及IEM的合理性。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。