Please act promptly and let us have your reply by return airmail.

I will supply a copy of my book by return.

我会随回信附上我的一本书.

Please answer my letter by return.

请立即复信.

Calculating formula has been inferred. We minimum average error method to attain best gear distributed rate and to calculate minimum error.

推导了用最小平均误差法获得最佳配齿及误差的计算公式。

The average error of the new algorithm is 1.77% and that of ART is 2.02% with the data of four space evenly views.

该算法以四个均匀角度间隔投影数据重建三峰随机高斯模拟场平均误差为1.77%，而代数迭代重建算法为2.02%。

The average error was 0.4 ℃ when compared with the real temperature. This result met the requirements for environmental tests in the greenhouse.

温度检测结果的统计试验表明，与温度真实值比较平均误差是0.4℃，结果合乎温室环境检测要求。

Experiment results show that feed-forward backpropagation network achieves the best performance, which reduces average error rate by54.4%.

实验结果表明前馈后向传播网络的性能最好，与基准模型比较平均错误率下降54.4%。

The average error rate is 1.21 percent and the maximum error rate 2.73 percent, the accuracy of imitation is very high.

对全国总人口序列采用柯布&道格拉斯函数模型进行增量序列拟合建模，在中间变量层次中揭示出周期性变化规律，拟合效果极显著，平均误差率1.21%，最大误差率2.73%，拟合精度极高。

The relative average error between predicted oil displacement efficiency and actual value is 8.7%, the accuracy meets demand of production.

驱油效率实际值与预测值平均相对误差8.7%，精度满足生产要求。

The average error of fitting and predicting accounts for 3.07% and 8.23% of the actually determined value respectively.

拟合与外推预测的平均误差分别占实测值均数的3.07%和8.23%，其效果也比指数曲线方程和动态数列拟合法为优。

The test results show that the optimal method with adaptive weights can decrease the average error to 40% compared with the traditional methods.

经实际计算表明，在低空目标定位时，具有自适应权的最优无偏方法的平均偏差为传统方法平均偏差的40%左右。

Additionally, admissible values of system error, the average error and the maximum error in the middle surface are proposed.

同时，结合算例分析，总结出了坝体系统误差、中面平均误差和中面最大误差的容许值。

The research shows that the average error of shoreline data coming from TM image is 7m or so;

研究表明，用陆地卫星TM影像获取河流岸线数据平均误差在6m左右；

A calculated example shows that the results agree with those of [ 5] within an average error of 4%.

算例表明，其结果与[5]中的有限差分计算结果相比，误差不超过4%。

Compared calculated values used these models with experimental results, average error is 2.48%, and maximum error is 7.87%.

使用该模型计算出的结果与实测值相比，平均误差2.48%，最大误差7.87%。表明该模型具有较高的合理性和实用性。

The constructed models are highly precise, with average error of carved surface less than 0.5 mm.

重建模型具有较高的精度，曲面平均误差低于0.5mm。

The prediction value tallied with the actual drilling result, and the average error was 11%.

预测与实钻结果吻合较好，实钻误差平均为11%。

The average error between observed and calculated frequencies of ten IR bands is 1.15%.

10条IR谱带的观测和计算频率的平均偏差为1.15%。

Its average error is 0. 015%, its average deviation is 0. 05%.

平均误差为0.015%，平均偏差为0.05%。

Average error of Lagrange trigonometric polynomial interpolation on the Brownian bridge measure space

Lagrange三角多项式插值于布朗桥测度空间下的平均误差

Step down method was used to measure the average error number, incubation period of mice after irradiation.

采用跳台法测定小鼠平均错误数、第1次受电击的潜伏期；