面积转换换算 平方公里(km2) 公顷(ha) 市亩 平方米(m2) 平方分米(dm2) 平方厘米(cm2) 平方毫米(mm2) 平方英里(sq mi) 英亩 平方竿(sq rd) 平方码(sq yd) 平方英尺(sq ft) 平方英寸(sq in) 3 1 5 7 0 1 Tool description: Conversion of Area Conversion ...
面积转换换算 平方公里(km2) 公顷(ha) 市亩 平方米(m2) 平方分米(dm2) 平方厘米(cm2) 平方毫米(mm2) 平方英里(sq mi) 英亩 平方竿(sq rd) 平方码(sq yd) 平方英尺(sq ft) 平方英寸(sq in) 3 1 5 7 0 1 Outil de description: conversion de surface < p > ...
1 平方公里(km2 ) =100 公顷(ha) =247.1 英亩 (acre) =0.386 平方英里(mile2) 1 平方米(m2 ) =10.764 平方英尺(ft2) 1 公顷(ha ) =10000 平方米(m2 ) =2.471 英亩(acre 1 平方英寸(in2) =6.452 平方厘米(cm2 ) 1 英亩(acre ) =0.4047 公顷(ha ) =4.047 X0-3 平 方公 ...
Think this reckon for a while, the surface area of the earth is 5.10 × 108 km2, for every square kilometer 1.6 metric tons in another word small water bottle for every square meter (at 0.98 g/cm−3 density which is equal to a rigid plastic sphere above half of the kilometer in ...
Introduction The Loess Plateau of China covers approximately 62.4 ˆ 104 km2 [1], and is known for its long agricultural history and serious soil erosion [1,2]. The erosion has led to massive losses of soil and water, soil degradation, and ecological deterioration [3,4]. The Chinese ...
With reference to relevant research, the treatment costs of SO2, NOX, and retained dust are 1200, 630, and CNY 150/t, respectively, and the purification amounts per unit area of forest ecosystem for SO2, NOX, and retained dust are 22.64, 0.82, and 3831.7 t/(km2·a), respectively. ...