无患子科的

In China, crop strews and energy crops are the main resource of bioenergy under the condition of secure food safe. There are lots of resource of crop strew, and only the main tree food crop can produce about 0.5 billion ton strew, which can maintain soil carbon and was used as the resource of bioenergy. In addition, there are about 0.1 billion hm2 waste hills and and that is suitable for farming or forestry can be used for the development of agriculture and forestry energy.

在保证粮食安全的前提下，农作物秸秆和能源作物则是生物质能的重要原料，我国农作物秸秆资源丰富，仅三大粮食作物每年就可以产生5×10~8t左右的秸秆，除了部分还田以保持土壤碳含量外，尚有可用于生物能源的部分，此外我国尚有近1×10~8 hm~2宜农、宜林荒山荒地，可用于发展能源农业和能源林业，而且我国能源农林业物种资源非常丰富，农业主要有木薯、甘蔗、甜高粱、油菜、花生、向日葵等，林业有漆树科的黄连木，无患子科的文冠果，大戟科的小桐子，山茱萸科的光皮树等，以此为原料可以进一步加强我国的生物液体燃料等的生物质能利用方式。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。