Measured by the concentration of technology firms and the availability of generous and informed investors, California's Silicon Valley is still in a league of its own.
根据科技公司的集中程度和慷慨注资、消息灵通的投资者的引入量，加利福尼亚州的硅谷仍然是在全球独领风骚的。
Increased use of promising methods of diagnosis such as sputum liquefaction and concentration and increased availability of fluorescence microscopy should be explored and encouraged.
应该开发并鼓励增加使用有希望的诊断方法如痰液化和浓缩并增加荧光显微镜术的利用率。
A greenhouse study was conducted to investigate the effect of soil as on lettuce growth, its plant availability and toxic critical concentration.
以盆栽试验，研究了砷对莴苣的影响、土壤砷的有效性及其毒性临界浓度。
Measuring the concentration of dissolved oxygen in an aqueous environment and analyzing the availability of oxygen in waterways exposed to typical pollutants.
在水环境中测定溶解氧的浓度并分析排水沟中溶解氧量可能受到哪些典型的污染物所影响。
The change of soluble and ionic heavy metal concentration in soil solution showed that, the activity and plant availability of heavy metals was higher than that of the check.
有机络合剂使得土壤溶液中可溶性与离子态重金属的浓度改变，反映了其活性与可利用性较对照不同。
The change of soluble and ionic heavy metal concentration in soil solution showed that, the activity and plant availability of heavy metals was higher than that of the check.
有机络合剂使得土壤溶液中可溶性与离子态重金属的浓度改变，反映了其活性与可利用性较对照不同。
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