| 1. | The conception of building the protective area of liu sanjie
论建设刘三姐人文生态保护区 |
| 2. | The analysis of zhalong national natural protective area ' s rationalization plan
扎龙国家级自然保护区规划合理性分析 |
| 3. | Zixi mountain natural protective area is typical in the middle of yunnan province for the plentiful macrofungi resources
云南紫溪山自然保护区内大型真菌资源丰富，在滇中地区具有代表性。 |
| 4. | The helmets are not weighty and have more useful protective area while providing excellent durability and integrity . the vents with inner air channels draw the air through the helmet and over the brow for maximum cooling
我公司生产的系列头盔，独具欧美风格，用材考究，重量轻，有效保护面积大，通风散热性能好，佩戴安全舒适。 |
| 5. | From 18 century to today , people have protected it in the round . the protective area has been from individual historical architecture to individual historical architecture around , from historical region to the whole city
18世纪以来，人们开始对城市历史环境加以系统性的保护，直至今天，人们对城市历史环境的保护范围不断扩大，由单体历史建筑、单体历史建筑的周边地区直至历史地段与城市整体层面。 |
| 6. | ( 2 ) the demonstration of sustainable development of agriculture : from the angle of the safety of gram , that whether the needs of population can be satisfied by the production of the cultivated land area and the farmland protective area is demonstrated after jiangjin has been developed into a big city
( 2 )农业可持续发展方面的论证:站在粮食安全的高度，对全市的耕地保有量及基本农田保护面积对未来江津市发展成为大城市后的用粮保证率进行了分析论证。 |
| 7. | The protective area of lightning rod was analyzed and simulated with computer . a standpoint using “ global five lightning rod ” to increase base station capacity of resisting flank attack lightning is proposed . . according to principle of faraday screen cage , a standpoint using “ accessorial earth net by mixed grounding ” to increase base station capacity for discharging quickly as lightning rod lead lightning is presented
根据法拉第屏蔽笼的屏蔽原理,对基站建筑物的屏蔽接地、防雷地网提出了采用“混合接地体辅助地网”对基站建筑物的“基础接地”进行改进,提高了基站接闪器“引雷”放电时的快速泻电能力。 |
| 8. | We studied the wintering birds community structure of mountainous secondary broadleaf forest in the natural protective area of zuojia , jilin province during the periods from november , 1989 to february , 1990 and from november , 2001 to february , 2002 . we compare the changes of birds community for 12 years fore - and - aft
我们于1989年11月? 1990年2月和2001年11月? 2002年2月，在吉林省左家自然保护区，对山地次生阔叶林冬季鸟类群落结构进行了研究，并对12年来的变化情况进行了比较。 |
