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。 - 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 - Discuss A Kind of Method to Protract Data Active Trend Chart in VFP
VFP环境下绘制数据动态趋势图的方法 - 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。 - 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； - 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）。 - But there is much difficult to protract the bending internal force figure in rigid frame due to multitudinous reasons.
而由于种种原因，目前对刚架中弯曲内力图的绘制存在较大的困难。 - 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。 - 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。 - Using this method, we can protract vector analysis atlas of planetary gear drive mechanism.
应用此方法，可定性地绘制出行星齿轮传动机构速度分析图谱。