解决了

Experimental results show that the error between measurement vibration signal and its theory value is only 2.4%.

实验结果表明：用直流电路法测量得到的声波信号与其理论计算值之间误差仅为2.4%，证明了直流电路法的适用性，解决了目前Lamb波器件的功能材料层的制作工艺均与传统集成电路工艺不兼容的问题。

A new algorithm,which is called " weighting method of compensation " for exponential curve of acceleration and deceleration in CNC,is developed.

提出了数控系统中一种新的指数升降速控制曲线算法-加权补偿法，该算法用加权平均及权值修正技术，解决了数控系统中指数升降速控制曲线不能任意动态调整的难题。

In using the FDTD method to research the transient process of the overhead line, for the convenience of the time domain convolution, the Vector Fitting method is adopted to expend the frequency domain form of ground return impedance into a sum of finite exponential functions which are easy to be treated and test to be valid.

提出了应用矢量匹配法逼近传输线频变阻抗的时域处理方法，从而解决了时域有限差分法难以处理频变问题的困难。

Through introducing compress and expurgate method,and adopting reformative matrix-based algorithm,the IMM_Apriori algorithm capability is improved and the choke point on the efficiency is overcome.

通过对基于矩阵的算法进行改进，引入删除压缩技术提高了算法性能，有效地解决了Apriori算法在发现频繁2-项集时的效率瓶颈问题，并从理论上证明了算法的正确性和可行性。

By alternate construction of fair-faced concrete wall,floor slab and 3 scissor-type ramp s,cross arrangement of cross ramp s was avoided in structure,construction joints were reduced and quality requirement of fair-faced concrete was thus ensured.

清水混凝土墙体、结构楼板与三条剪刀式设置的跃层坡道穿插施工方法，解决了结构上多条坡道交叉设置，与结构楼板、结构墙体穿插施工，减少并淡化施工缝，从而保证了清水混凝土质量要求。

With the an programming design of hardware and software, the problem of false regulation caused by dum-my signal is solved, and the automatic stabilizing of arc length during welding process in the designed range effectively is guarranteed.

经过硬件和软件的抗干扰设计，解决了因伪信号而引起的误纠差调整问题，有效地保证了弧长在焊接过程中自动稳定在所设定的范围内。

Wiles, Princeton University, USA, to honor him for his proof of Fermat's Last Theorem, solving this difficult problem puzzling the world mathematics community for 300 years.

数学科学奖授予美国普林斯顿大学数学系教授安德鲁·怀尔斯教授，为表彰他证明了费马最后定理，解决了这个困扰世界数学界长达300多年的难题。

The paper analyzes the shortage of traditional roadway measuring wind method,and by theoritical calculation of measurement,the wind amount is tested,and the roadway fixed central point method of wind measurement and the roadway s average wind velocity fixed-point method of wind measurement are proposed,and which solve the problem of low wind velocity and low credibility well.

分析传统井巷测风方法的不足，并通过风量测定的理论计算和对现场风量进行实际验证，提出了井巷中心点定点测风法和井巷平均风速点定点测风法，较好地解决了当前测定风速慢、可靠性差的问题。

Map strip sampling has no length and width; it also doesn't require the fixed shape of sample. The method provided a convenient way to determine the region for survey and calculated the area of the strip sample, thus resolving problems with calculating the survey area in past work.

地图样带法没有长度和宽度概念，也没有规定样带的既定形状，提供了一种确定调查范围和计算样带面积的便捷方法，解决了过去调查中样带面积计算的难题。

So the principal component analysis approach is employed to compress the MCF and other fixed dimensional feature vector, an improved algorithm is provided, which has faster training speed than the original one.

为此我们利用神经网络主分量分析的方法，给出了语音特征压缩的具体算法，成功地解决了语音识别特征的降维问题。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。