class of precision的意思|示意

Simulation results and real measuring data calculations show that the precision estimation efficiency can be obtained by our method for a large class of linear and nonlinear regression models.

仿真和实算结果表明，对于一大类线性和非线性回归模型，该方法给出的回归模型的参数估计效率的估计更接近模型参数估计效率的真值。

The company was established in 2004, the company has the world first-class precision mould processing equipment and dozens of domestic advanced injection forming machines.

公司成立于2004年，公司拥有世界一流的精密模具加工设备和数十台国内领先的注塑成形机。

A grey model (GM) of annual demand was established, this upgrades the precision of demand prediction to first class.

并建立了年用电量灰色动态模型(GM)。使测量的电量达到一级精度。

The semantic analysis system can automatically tag semantic class for each word and analyze the semantic dependency structure between words with the precision of 90.85% and 75.84% respectively.

该语义分析集成系统能够自动分析句子中各个词的词义以及词之间的语义依存关系，达到90.85%的词义标注正确率和75.84%的语义依存结构标注正确率。

As Posner emphasizes, it is very difficult to estimate with any precision what is the actual probability of highly infrequent events, and such a leak would fall within this class.

正如波斯纳强调的，要精确估计高度偶发事件的实际发生概率是非常困难的，这次的漏油事件就是属于这类事件。

Our company takes "first-class quality, high precision, short delivery term" as managing concept, always adheres to the tenet of "quality first, customer utmost".

公司以一流的品质、高精度、短纳期为经营理念，始终坚持“质量第一，用户至上”的原则。