protract
英
美
vt. <贬>延长，拖延（某事物）
过去分词：protracted 现在分词：protracting 第三人称单数：protracts 过去式：protracted
BNC.35855 / COCA.37286
英英释义
verb
- lengthen in time
- We prolonged our stay
- She extended her visit by another day
- The meeting was drawn out until midnight
双语例句
- The conventional method of design is protract or lay all kinds of excavating work with handwork on chart which has already circle out the mine boundary, the efficiency and modification of which is very hard.
传统的设计方法是在已圈定的矿体图中手工布置绘制各种井巷采掘工程，其工作效率及其可修改性极差。 - To achieve design target, the author referred a great deal of correlated data, and accomplished hereinafter parts: compile programs of FPGA to realize main design, simulate system, protract high-speed PCB board, compile single chip machine's programs for control, and debug experiment.
为完成设计指标，作者查阅了大量相关资料，同时完成了：FPGA编程实现主体设计、系统的仿真、制作高速PCB板、编写单片机控制程序、调试实验。 - According to above mineral-forming forecast principle, protract basalt coping, bottom isoline graph, in the basis of comprehensive analysis, put forward 4 beneficial mineral-forming area, finally analysis foreground in this 4 forecast area.
按照上述成矿预测准则，绘制玄武岩顶底板等值线图和花岗岩等深线图，在综合分析的基础上，提出了4个成矿有利的靶区，分析了4个预测区内的找矿前景。 - Also, the protract method of the equivalence circuit of the columnar windings of the transformer is given.
并给出变压器圆筒式线圈的等值电路的绘制方法。 - The design scenario of the pipeline location checking system include following several parts: the arithmetic research of the pipeline location checking system ( construction of the mathematics platform), data collection part ( data collection card), data processing part ( protract of the pipeline axes).
管道位置检测系统设计方案主要包括以下几个部分：管道定位系统算法研究（数学平台的建立）、数据采集部分（数据采集卡）、数据处理部分（管道轴线的绘制）。 - Then protract the histogram of the gray image, get the threshold of this image, utilize the threshold method and gray-level slice method to get a binary image, and detect the image edge.
然后绘制出处理过图像的灰度直方图，得到该幅裂纹图像的阈值，利用阈值法和灰度级切片法对裂纹图像进行二值化处理，得到其二值图像，并对图像进行了边缘检测； - Finally, data structure storage and protract mechanism of rice roots dynamic growth were proposed through determination of the main control parameters of model.
最后，通过模型主要控制参数的确定，提出了水稻根系动态生长信息存贮的数据结构以及根系的绘制机理，为实现水稻根系生长的可视化提供了关键技术支撑。 - Delay always breeds danger, and to protract a great design is often to ruin it.
推迟经常孕育危险，拖延一个伟大的工程常常意味着毁灭它。 - Their guest did not protract his stay that evening above an hour longer.
那天晚上他们的客人逗留不到一个钟头。 - This article discuss the issue of opening stress convergence on valve, and protract the graph of opening stress convergence, and modify the calculate formulae of the most stress.
在仿真试验中，通过对阀门参数的改变，探讨了阀体开孔应力集中的问题，结合分析结果，绘制开孔应力集中曲线图，并对最大应力的计算公式进行了修正；