1) Area reducing rate
面积削减率
2) Ratio of decreased area
面积减少率
3) Reduction rate of the cultivated area
耕地面积减少率
4) across-the-board cut
全面削减
5) cutting area
切削面积
1.
The calculating formulas of cutting area of single diamond grain when the diamond circular saw blade rotates along clockwise or counterclockwise with a constant rotational velocity as well as feeding with a constant speed are deduced, and the relationship between the cutting area of diamond grain and sawing parameters is analyzed.
推导了金刚石圆锯片以等角速度作顺时针或逆时针旋转、同时作匀速进给运动时单颗金刚石磨粒切削面积的计算公式 ,并分析了磨粒切削面积与锯切参数的关
2.
The composition of velocity law of the points in kinematics is led into the solving of the cutting area of single diamond grit.
引进运动学中的点速度合成定理 ,求解单颗金刚石磨粒切削面积 。
3.
The factors,which include cutting area,contact arc length,back rake angle,rock strength against drilling and worn height of cutter,on the forces on PDC cutter were analyzed.
模拟钻头上的切削齿的不同的切削断面形状、重叠切削状态及磨损状态,利用PDC切削齿对多种岩样进行了切削试验,研究了切削面积、接触弧长、切削齿后倾角、岩石抗钻强度、切削齿磨损高度等因素对PDC切削齿受力的影响规律。
6) ratio of reduced area
面积削弱度
1.
the immerged rectangular crack and penetrated crack respectively)with different weakening ratio under axial tensile stress,the relation between equivalent strength and ratio of reduced area for specimens is obtained.
根据多组不同削弱度的深埋矩形裂缝和穿透裂缝的碾压混凝土试件单轴拉伸试验结果,建立了试件等效强度和面积削弱度的关系,试验结果表明,碾压混凝土材料的断裂韧度和抗拉强度的比值同常态混凝土基本相同,相同削弱度的矩形预留缝试件的等效强度比穿透裂缝试件的等效强度低4%~8%左右。
补充资料：城市道路面积率 urban road area ratio
城市一定地区内，城市道路用地总面积占该地区总面积的比例。
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