optimum period meaning in English
适期
最佳周期
Examples
- It was obvious that the climate and environment had the tendency of drought after the maximum optimum period of holocene
同时，其环境也经历了由荒漠? ?荒漠草原? ?荒漠的演变过程。 - We shall re - assess the optimum period of study for the various stages of education and their interface , including primary , secondary , post - secondary and tertiary education
我们会重新评估小学、中学、专上教育和高等教育等各阶段的最理想修读年期，以及不同教育阶段之间的衔接问题。 - Obviously , the optimum period for chromosome set duplication is from 27 to 30 min after the eggs were activated , since the chromosome set of the activated grass carp eggs was copied completely at that time
由此可知被激活的草鱼卵子在第27min时已经完成染色体的复制，使草鱼卵子雌核染色体人工加倍的最佳时期是在被激活后的27 - 30min这一时间区段内。 - The optimum parameters , such as the exact time for the activated eggs finishing the first chromosome sets copying , the optimum period for artificial chromosome set duplication , the optimum temperature and intensity of heat shocking etc , were determined
确定了在一定孵化温度下，被激活的草鱼卵子完成第一次染色体复制的准确时间，实施人工染色体加倍处理的最佳时机，人工加倍处理的最佳方法和处理强度等。 - This paper analyses the reserve transport and economic results of lubricating oil of import and joint investment made automible . and supply performance index period of changing 10w / 30sf / cd , provide scientific foundation for appraising quality level and adaption of this lubricating oil , and offer economic foundation for wide use in cold zone . at first the paper analyses the performance of the lubricating oil useful in some automible in cold zone then obtain a quantity data and optimum period changing of 10w / 30sf / cd
本文对进口及合资生产车辆的配套用油及所用油的储运情况，经济情况进行了分析，并提出了10w 30sf cd通用内燃机油的性能指标换油周期及经济情况，为评价该油的质量水平及相应车辆的适应性提供了科学依据，同时为其在我国寒区开辟广阔的应用市场提供了经济技术依据。