hectares

Thousands of hectares of forest are destroyed each year .

每年都有几千公顷的森林遭到破坏。

The Bolivian government has granted logging concessions covering 22 million hectares .

玻利维亚政府批准了在2200万公顷土地上的伐木特许权。

In 1970 the average size of a French farm was 19 hectares

1970年，法国农场的平均规模为19公顷。

A hectare is equal to 15 mu .

1公顷合15市亩。

Forest area in China surged from 253.95 million hectares in 2009 to the current 284.12 million hectares .

调查数据显示：我国林地面积从2009年的25395万公顷增加到现在的28412万公顷。

During the period , farmland area witnessed a slight drop from 135.38 million hectares to 127.86 million hectares .

在此期间，耕地面积出现轻微下降，由2009年的13538万公顷减少到现在的12786万公顷。

China now has a total area of 23.46 million hectares of wetlands , of which mangrove forests account for 27100 , according to the third national land resource survey .

第三次全国国土调查数据显示，我国现有湿地2346万公顷，其中，红树林地2.71万公顷。

About 5000 are thought to have died , and the blazes that scorched4 more than 5 million hectares state-wide affected5 almost a quarter of koala habitats .

大约有5000只考拉死亡，大火烧毁了该州500多万公顷林地，影响了近四分之一的考拉栖息地。

If we used ten per cent of seaweed instead of wheat in breads and pastas , we ’ ve eliminated a million hectares of land , we ’ ve eliminated all of the carbon dioxide emissions5 associated with that , and we ’ ve also reduced the pressures on very precious fresh water .

“如果我们在面包和意大利面食中使用10%的海藻，而不是小麦，就能省下100万公顷的土地，消除所有与之相关的二氧化碳排放，同时，还能减少宝贵的淡水资源短缺的压力。”

New Method of Urban Ecological Footprint Calculation Based on " National Hectare "

基于国家公顷计算城市生态足迹的新方法

Calculation based on the yield of sugar contents per hectare .

以公顷含糖量为计算、分析依据。

Discussed the method of forest volume per hectare estimation in depth .

深入探讨了森林小班公顷蓄积量遥感估测模型建立与优化方法，完成了基于小班的森林蓄积量估测。

The area of water storage is about 20000 hectare .

蓄水面积约20000公顷。

This is a big change for the one and a half hectare area .

对这1.5公顷土地来说，这是个巨大变化。

Total machinery utilization cost per hectare for each farm work was also presented .

同时也分析了每个系列的每公顷机器使用总费用。

Now with a good year she gets four tons per hectare .

现在在丰年，她能够每公顷收获四吨。

Grey-Markov Dynamic Simulation to Grain Yield Per Hectare in Fujian Province

福建省粮食单产的灰色-Markov动态模拟研究

Five out of every six hectares of land were unused .

每六公顷地中有五公顷闲置着。

It showed that about 280 hectares could be developed on the old airport site .

研究结果显示，启德机场现址可腾出约280公顷土地。

The area with rats is 46 million hectares .

鼠害危害面积4600万公顷。

Currently the total is only 65,000 hectares despite some determined recent planting .

如果不计近期确定的一些种植面积，目前的种植总面积仅为65000公顷。

He 's currently raising around 300000 fish on 40 hectares of land .

目前他在40公顷土地里养了约30万尾鱼。

The research on prediction method of rice increase potency in per hectare yield in Heilongjiang Province

黑龙江省水稻单产增长潜力预测方法研究

Sugarcane cultivation practice for the sugar yield of 10 tons per hectare

公顷产糖15t甘蔗栽培技术探讨

It possessed a continuous wide distribution with a density of 0.16 per hectare .

平均公顷密度为0.16。

In the word , about 30 countries use this technique . The area reaches 98,000,000 hectares .

目前该项技术已在世界上近30个国家得到应用，面积达9.8千万公顷。

The Project Plan of CCGT on 700 Hectare Agricultural Land Comprehensive Utilization

长春国投700公顷农业用地综合利用项目方案策划

There are 171 national level nature reserves , with an area of 59.03 million hectares .

其中国家级自然保护区总数171个，面积为5903万公顷。

The net income was 10,635 yuan per hectare .

平均每公顷纯收入10635元。

American farmers are known worldwide for their ability to produce a large yield per hectare .

美国农民能在每公顷土地上生产出大量的作物，这使他们闻名世界。