无误差

It can be still efficient when there exist noise and model error.

该方法对噪声污染具有较强的抑制作用，对模型误差亦无较高的要求。

No degrees of freedom left to estimate the error variance when the data of this design are analyzed, so the standard ANOVA can t be used.

然而在分析这类数据时因为无多余的自由度可用于估计误差方差，因而不能采用标准的方差分析法。

Spectral subtraction for speech signal processing is a classic method for decreasing noise which easily leads to error by regard fixed silence fragment as noise sample.

语音信号处理中减谱法是一种传统的降噪方法，但减谱法利用固定的无音片段作为噪声样本容易产生误差。

An algorithm of HF ground wave radar array calibration for amplitude and phase errors based on sea-echo is proposed in this paper.

摘要针对现有无源校准方法在高频地波雷达中失效的问题，该文提出了一种基于海洋回波的高频地波雷达阵列幅相误差校准算法。

Solar thermal technology is one of the lowest cost one among the solar technology, this paper introduces the system design of solar thermal power tower, heliostat technology, master control technology, receiver technology and other key technologies basing on China's First Solar Thermal Power System, especially the curved reflector shaping method, the design of non system error mechanism, program calculation associating with sunlight sensor control technology of the heliostat, and the forced air cooling tech...

太阳能热发电技术是成本最低的太阳能利用技术之一，本文以我国第一座塔式太阳能热发电系统(70kWe)的研发建设为基础，介绍了塔式太阳能热发电的系统技术、定日镜技术、集成控制技术、接收器技术等关键技术的研究，特别是定日镜的曲面镜成型技术、无系统误差的机构设计、程序计算和太阳光传感器联合控制技术，以及接收器的玻璃窗口风冷技术、结构设计技术、蓄热技术等。

High measure precision: High precision and low operation error can meet needs of various levels of operator, identical measurement results can be gained in spite of different practical experiment of operator.

测量精度高：不但测量精度高，且个人操作误差小，不同的测量人员，不管有无经验均可获得相同的测量值。●使用范围广泛：可测大型、重型工件某个部位的尺寸，也可适用于高温、放射性等恶劣环境条件下的测量。

Comparing to other land covers, expressways have many new characteristics such as no vegetation cover and water imperviousness etc. So, only using climate models to simulate and forecast road parameters can result in big errors.

高速公路下垫面具有不透水、无植被覆盖等特性，仅采用气候模式而不考虑下垫面特性模拟与预测道面参数会产生较大误差。

Automatic differentiation and implicit function differentiation rule were used to calculate the precise absolute and relative sensitivity coefficients, with no truncation error introduced.

提出一种基于自动微分和隐函数求导法则的精馏塔优化计算灵敏度分析方法，可以求出精确的、无截断误差的灵敏度系数，以反映精馏塔模型中各种不确定因素变化所引起的改变和影响。

With this interpolator, steady and fast feedrate, confined interpolation error, and a smooth and shock-free machining process is obtained, which enhances the machining efficiency and quality.

算法保证了稳定而高速的进给速度，合理的误差范围和平滑无冲击的进给过程，有利于提高加工效率和加工质量。

Through comparison between manometric method and dilution inoculation method, we can see that there is no obvious diference between these two methods in comparative error and deviation, and they also meet the hequirement of our country's stundard.

通过测压法与稀释接种法对质控样及废水的测试比对，结果表明两种测试方法的相对误差、相对偏差无显著差异，且均符合国家标准质控要求。

I can still vividly recall the impressive scenes you gave. You were among my friends and relatives who accompanied me from my house to the seaport and when the porters were slow to show up, you obligingly carried my suitcase for me.

你对我的种种感人情意，使我记忆犹新，那天你随着我的亲友从家里送我上轮船，搬运工迟迟不来，你毅然替我提着皮箱上船。

St. Nicholas became the patron saint of Russia, where he was famous for his red cape, flowing white beard, and bishop's mitre.

圣尼古拉成了俄罗斯人的守护神，在那里，他以身披红斗篷，留着飘逸的白胡须，戴着主教法冠而闻名。