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
- CAD parameters drawing for single screw extruder can protract engineering drawings automatically.
螺杆CAD绘图系统主要实现螺杆的参数化绘图功能，绘制出实用的工程图纸。该仿真系统可以用于三个方面。 - 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。 - 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。 - 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）。 - The graphics module mostly completes protract and edit of flow menu, dynamic drop and real time trend display in system.
其中图形库模块主要完成系统中流程画面、动态点、实时趋势显示的绘制与编辑； - The tool provided the creation management and maintenance of template and model, protract and output of operation flow chart and print and output of template and conceptual model.
该工具提供了模板和模型的创建、管理和维护，作战流程图的绘制和输出，模板和模型的打印输出等功能。 - To lose the present in lamenting the past, was voluntarily to protract a melancholy vision. ( No.204)
为悲哀过去而失去眼前，这是自愿地把忧郁的景象拖延下去。 - Solution to Protract Conflict between the Movement Simulation and Roaming during NC Machine Working
虚拟数控机床加工运动仿真与漫游场景实时绘制间冲突问题的解决方法 - 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； - 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；