Colorado Open Lands, one of 39 local and statewide land trusts, processed between eight and 12 conservation easements in 2002. Last year, they processed 43.
“科罗拉多公开地”名列39个地方和州级土地托拉斯之一，2000年完成了8-12个土地保护无忧项目，去年他们完成了43个。
The temporal distributions of light intensity, air humidity and air temperature in the gaps are similar to those on open lands, but their spatial patterns are more complicated.
林窗内光照强度、大气温度、大气湿度及土壤元素分布，在时序上有近似与旷地的规律性，空间上则显现更复杂的格局。
A: Adrenaline from the nervous system lands on receptors of cardiac myocytes (heart-muscle cells), and this causes calcium channels in the membranes of those cells to open.
答：来自神经系统的肾上腺激素“着陆”到心脏肌细胞的受体，这使得这些肌细胞的膜中的钙通道打开。
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