1) mating surface groove
凹凸槽
1.
According to the processing characteristic and machining difficulties of connecting-rod mating surface groove, this paper analyzes the necessity and effectiveness for using broaching proess,describes the broaching processing design , solution to problem arising in broaching, and benefit comparison between broaching and milling.
针对连杆结合面凹凸槽的加工难度和工艺特点,分析了采用拉削工艺的必要性和有效性,进行了拉削工艺设计,阐述了拉削过程中所遇到的技术问题与解决方法,并对拉削加工与铣削加工的效益进行了比较。
2) groove coupling
凹槽凸块
3) filter flange recess
滤清器凸缘凹槽
5) bumpy road
凸凹
1.
Analysis of elderly people s discrimination capability on bumpy roads;
老年人路况凸凹识别能力的检测与分析
6) concave-convex
凹凸
1.
The concave-convex property of a surface is one of the important and classical issues in differential geometry.
曲面的凹凸是微分几何学中的经典问题之一,划分出曲面上不同的凹凸区域,对于研究曲面的凹凸以及其他性质是一件很有意义的工作。
2.
This article present the continuity,differentiability,monotonicity,concave-convex,parity and periodicity of the function netermined by the definite integral of variable upper limit and variable lower limit,establishes the sufficient and necessary requirements of functional convex and integrability of derived function by using the definite integral of variable upper limit.
给出了变上限与变下限定积分所确定函数的连续性、可微性、单调性、凹凸性、奇偶性、周期性,利用变上限定积分建立了函数凸及导函数可积的充分必要条件。
3.
Some definitions and discriminating methods have been given on the monotonicity,extreme value,concave-convex and inflection points of the curve r=r(θ).
研究了极坐标系中曲线r =r(θ)的切线、法线、渐近线方程 ,给出了r =r(θ)的单调性、极值、凹凸、拐点的定义和判别法 ,从而解决了《数学分析》中未曾解决的极坐标方程所表示的曲线的作图问
补充资料：凹凸不平
【凹凸不平】
“中文解释”：形容平面上有凸出和凹进的地方
“英文解释”：accidented <to be full of bumps and holes>
“日文解释”：
“德文解释”：
“法文解释”：
“近义词组”：坎坷不平
“反义词组”：平平坦坦
“结构用法”：作谓语、定语；形容物体的表面
“歇 后 语”：笨媳妇纳鞋底
“灯谜谜面”：麻脸
“典故出处”：方志敏《我从事革命斗争的略述》：“道路是凹凸不平的，柴屑粪渣，零零散散地散布在路上。”
“应用举例”：路遥《平凡的世界》第四卷第49章：“灿烂的阳光，美丽的野花，碧波荡漾的原西河，～的石板街……”
“成语故事”：
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条