multigrade

基本解释

Learning to read in composite (multigrade) classes in New Zealand: teachers make the difference.
(在混合班学会阅读教学:新西兰教师的争论)。
Use of the fourth generation multigrade oil for diesel engine can cut down the warming up hours, save energy, reduce engine wear, and so on.
多级四代机油具有良好的低温起动性能以及节能性能,使用该油品可以缩短打温时间、节约能源、减少柴油机磨损等。
An approach using multigrade fuzzy comprehensive evaluation method to evaluate power system dispatcher training,and its model are put forward.
作者单位：华北电力大学电力系统保护与动态安全监控教育部重点实验室;
As the demand for specialty flours is constantly increasing, flour mills turn to produce multigrade flours instead of milling standard grade flour.
根据社会需求,我国面粉加工由生产标准粉逐步转向生产特制粉。
On the basis of change of testing oil performance at high and low temper-ature. the rational and economical formulated method of multigrade engine oils was given.
根据油品高低温性能的变化规律，提出了多级内燃机油合理的、经济的调制方法。