The both methods enjoy advantages of higher production capacity, lower developmentratio, less dilution loss and better ventilation.
两种方法均具有生产能力高，采掘比低，贫化损失较小，改善通风条件等优点。
2
A senior Toyota engineer said the company USES outside engineers to do about 30% of its development work globally and seeks to reduce the ratio to 10%.
丰田的一位高级工程师说，外部工程师做了全球约30%的开发工作，公司希望把这个比例降到10%。
3
During embryonic development, the proper ratio of excitatory and inhibitory neurons is established for optimal brain function.