查询词典 accuracy

In order to reduce the loss of dimensional accuracy of stereolithography parts during the post-process, the stair-step effect and the relationship between stair-step effect and the parts dimensional accuracy were studied and analyzed.

研究和分析了光固化成形件台阶效应产生的原因以及对制件尺寸精度的影响，提出了根据表面几何特征进行相应的光斑补偿的方法。利用该方法成形的原型件会留有合理的打磨余量，从而可以在去除台阶效应的同时，保证制件的最终尺寸精

The diagnostic accuracy can be improved using the CT guiding spring core biopsy needle for percutaneous pulmonary biopsy for both malignant tumor and benign lesion. Especially for benign lesion the diagnostic accuracy with spring core biopsy needle was distinctive higher than that with fine needle aspiration.

CT导引下使用弹簧芯状活检针经皮肺穿刺活检的并发症发生率与细针针吸活检相近，对肺内良性病变和恶性肿瘤的诊断准确性同样具有较高的准确性，特别是对肺内良性病变的诊断准确率明显高于针吸活检。

Various construction processes and setting-out aspect is closely linked with the construction, it works if it is a guiding beacon and the people, must therefore to protect the accuracy and the accuracy of setting out, otherwise you will miss does make a lot to thousands of miles to work with it is difficult to assess the economic, quality and credibility of the loss.

工程施工的各个工序和环节都与施工放样息息相关，它好像是工程施工的灯塔和指路人，所以一定要保障放样的精确性和准确性，否则就会失之毫厘，谬以千里，给工程带来难以估量的经济、质量和信誉损失。

The measurement accuracy and integration accuracy of a plumb-line are given for manual observation and automatic monitoring,through filtering the models of a large quantity of observation data.

目前在大坝安全定检中，必须对已有监测设施实施全面的检查鉴定，对整个监测系统的完备性、监测精度和可靠性做出评价。

The daily life of pi is a frequently used data, but under different circumstances, we need the accuracy is different, so one must be prepared through various different precision pi accuracy to meet the corresponding requirements.

详细说明：圆周率是日常生活经常用到的一个数据，然而在不同的情况下，我们需要的精确度是不同的，所以必须编写一个通过不同精度要求显示不同精确度的圆周率，以符合相应的要求。

A gear H62 which made in yellow brass with the same mode number m=0.34, 2mm thick and had a center hole, when the gap get C=0.5%t , and punched with compound punching die, and the dimension accuracy reached IT7, the part have a flat surface ,the verticality of tangent plane reached 89.5°, its roughness Ra magnitude are 12.5μm, height of burr are 0.10mm; and the punching part are punched with progressive die, the gap C=7%t , initial accuracy are IT11, and have an more rough surface, even can see the gap with eyes.

例如料厚t=1.5mm的H62黄铜冲裁件，选用C≤40%t单边Ⅰ类小间隙冲裁比选用C≤8%tⅢ类大间隙冲裁，冲件固定误差将加大40%～60%，精度至少降一级。

In this paper the accuracy of the precision engineering control networks (Trilateration and Triangulation), established by using modern electronic distance measuring instruments and theodolites is discussed, and the method of optimization design is proposed that is based on the theory of probability and error propagation and applying the error ellipses to analyze the position accuracy of the points.

本文论述用近代光电测距仪及经纬仪建立的精密工程控制网的精度，并提出基于概率论与误差传播理论的、用误差椭圆来分析点位精度的优化设计方法。建议的平差计算与精度评定方法以专用的计算机程序来完成。

The commercial introduction of high accuracy, phase angle calibrators several years ago focused our attention on high accuracy, easy to implement, and where possible reasonably equipment insensitive, methods of phase measurement.

高精确度的商业化推出，相位角校准。几年前，我们的注意力集中在高准确，易于实施，并在可能的情况合理的设备相区分，方法测量。

Results of both theoretical analysis and calculation examples show that these algorithms are effective, and the accuracy of algorithms relies on the expectation of nodal voltage and computation accuracy of covariances.

理论分析和算例结果表明了这些算法的有效性，算法的精确性依赖于节点电压的均值和协方差的计算精度。

This method can achieve higher accuracy with simple scheme, and can be used in the passive measurement of airplane attitude. In the simulation experiments, the accuracy of the attitude angle can be limited at 1° with the reasonable position of theodolites.

仿真试验结果显示：采取4台经纬仪的合理布站，当图像上直线斜率的提取误差最大为0.6°时，可以将姿态角的最大测量误差控制在1°左右。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷