砍伐

Some environmentalists and government officials blame landslides on deforestation, which they say loosens soils on mountainsides.

一些环境保护人士以及政府官员把山体滑坡归咎于过度砍伐森林，从而导致山坡上的土壤变得松散。

Some environmentalists and government officials blame landslides on deforestation, which they say loosens soils on mountainsides.

一些环境保护人士以及政府官员把山体滑坡归咎於过度砍伐森林，从而导致山坡上的土壤变得鬆散。

Some environmentalists and government officials blame landslides on deforestation , which they say loosens soils on mountainsides .

一些环境保护人士以及政府官员把山体滑坡归咎於过度砍伐森林，从而导致山坡上的土壤变得松散。

Hundreds of ancient Namibian trees held sacred by local people have been illegally felled.

纳米比亚数百棵被奉为神明的树木被非法砍伐。

This photo taken on October 13, 2009 shows a fisherman walking through a devastated peatland forest in Indonesia's Pangkalan Bunut in Riau province.

2009年10月，印度尼西亚Riau省，一个渔夫正穿过一片被砍伐殆尽的森林。

Most of this is then absorbed by so-called carbon sinks, a mixture of photosynthesising plants and chemical precipitation, while a small amount remains to contribute to the rise in carbon-dioxide concentration that has been going on for the past 150 years.

大部分的二氧化碳气体，被所谓的碳吸收物体所吸收，其中所夹杂着砍伐植物，降化学性质的雨，同时一些小部分的因素仍然导致二氧化碳的排放量在过去的150年内所升高。

The area of the field bounded by home plate and first, second, and third bases.

在原来树木被焚毁或砍伐的区域内第二次生长出的林木。

And every year, around Christmas time, a huge log was cut down and fashioned into a fertility symbol, and then burned for 12 days...

每年，在圣诞节左右，会砍伐一根巨大的原木并装饰成生育象征，然后会燃烧 12 天。。。

E.O. Wilson, a biologist at Harvard, called the depletion of rain forest areas " the greatest extinction since the end of the age of dinosaurs."

除了亚马孙河流域的热带雨林，其他地区的许多热带森林也正在受到不断的砍伐。

Cork oak trees have to be at least twenty five years old before they are ready for harvest.

软木橡树，至少二十五年后才可砍伐。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。