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1)  concave-convex cavity
凹凸腔
2)  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
3)  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
4)  Cavity [英]['kævəti]  [美]['kævətɪ]
凹腔
1.
Investigation of Ignition and Flameholding of Cavity Flameholders in Supersonic Flowfields;
超声速流场中凹腔火焰稳定器的点火与稳焰研究
2.
Ignition Characteristics of Ramjet with Cavity-based Flameholder
基于凹腔火焰稳定器的亚燃冲压发动机点火性能研究
3.
Impact of mainstream on the vortex flow of cavity in trapped vortex combustor
驻涡燃烧室主流对凹腔涡流动的影响
5)  Attapulgite [,ætə'pʌldʒait]
凹凸棒石
1.
Remediation of attapulgite on copper contaminated soil;
凹凸棒石修复铜污染土壤
2.
Character of attapulgite adsorbent and its application in oil bleaching;
凹凸棒石吸附剂特征及其在油脂脱色过程中的应用研究
3.
Effect of PP-g-MAH on Mechanical Properties of PP/Attapulgite Composites;
聚丙烯接枝马来酸酐对聚丙烯/凹凸棒石复合体系力学性能的影响
6)  attapulgite clay
凹凸棒土
1.
Adsorption properties of attapulgite clay and activated carbon to water-soluble dyes;
凹凸棒土与活性炭对水溶性染料的吸附研究
2.
Bleaching of hemp seed oil with activated attapulgite clay;
活性凹凸棒土对大麻籽油脱色的研究
3.
Study on the treatment of chromium contarining wastewater with modified attapulgite clay;
改性凹凸棒土净化含铬废水的研究
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。
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