But compare with FFT, the calculation time needed by the multiple frequency rotate transform is very long, which has influenced its wide application to a certain extent.
但是，与快速傅立叶变换相比，倍频旋转变换理论所需要的计算时间很长，这在一定程度上影响了它的广泛应用。
For a long time, the heat-exchange equipments in thermal power system have been designing mainly depending on traditional experience and manual calculation.
长期以来，制冷行业中换热设备的设计以传统的经验设计为主，主要依靠工程设计人员的手工设计计算。
But the method is constrained in the application to the earthquake engineering because technology is complicate, amount of work is big, and calculation time is long.
但是，时程分析技术复杂、计算工作量大及占用计算机机时长，在地震工程中的应用受到一定的限制。
The reason why the calendar was used for such a long time has much to do with its accuracy in calculation.
《授时历》之所以沿用这么长时间，和它的计算精度非常高有很大关系。
On the basis of calculation, this paper proves this new scheme by a long time experiment.
并在计算的基础上用较长时间的实验论证了这个新方案的实用价值。
The VFD model can be used not only in short time vibration analysis but also in long period storage relaxation calculation so long as different parameters are adopted.
因此采用不同的参数，VFD模型既可以用于短时间内的振动响应分析，也可以用于长时间的储存应力分析。
In view of the faults of complex calculation and long operation time existed in the present texture analysis algorithms, a new image texture analysis algorithm is proposed.
针对目前的纹理分析算法普遍存在计算复杂、运行时间过长的缺点，提出了一种新的图像纹理分析算法。
However, some details have never been precisely defined for quite a long time, resulting in different calculation results.
然而对舾装数计算的许多细节，长期以来未作明确规定，导致计算出现种种不一。
Results show that this method has high accuracy even for very large time-step sizes, and possesses excellent long-time numerical calculation behavior.
文末的数值算例进一步表明，精细积分法对大的时间步长和长时间计算均有效，因此是一种很实用的方法。
The calculation method on evacuation time for drying of long-distance pipeline at the state of water free is analyzed. The calculation equations are given and identified by field test.
分析了长输管道在无水状态下利用真空设备抽空所需时间的计算方法，给出了计算公式，并通过现场试验对其进行了验证。
However, for a long time, the calculation of cost of equity capital is often overlooked by businesses.
但是长期以来，权益资本成本的计算往往被企业所忽视。
So implicit solution requires iterative calculation of a long time.
隐式求解需要迭代所以计算时间较长。
This knowledge was entered into the modified rolling bearing life calculation a long time ago (Sections 3.5.4 and 3.5.5).
这些知识是进了改性滚动轴承生活计算很久以前(部分3.5.4和3.5.5)。
Our results imply that changes may occur in brain network and effective connectivity paths of mental calculation by the long-time training of AMC.
通过结构方程模型分析，我们发现：经过珠心算训练，心算网络内部的连接强度和方向都有很大的变化，进一步验证了大脑的可塑性结论。
Our results imply that changes may occur in brain network and effective connectivity paths of mental calculation by the long-time training of AMC.
通过结构方程模型分析，我们发现：经过珠心算训练，心算网络内部的连接强度和方向都有很大的变化，进一步验证了大脑的可塑性结论。
应用推荐