1) index of degrees of difficulty
难易度指数
2) difficulty index
难度指数
1.
On the basis of the frame and procedure designed by Shao & Yu(2008) of the prior CTA of mathematics problem difficulty,this study introduced two new indicators:base difficulty(BD) and solution difficulty(SD) and then went on to a third indicator—difficulty index(DI)—to represent the relative difficulty of a problem or that between two or more problems.
本研究在邵志芳等设计的对试题难度进行事前评定的框架和实施程序的基础上,将试题的事前难度细分为基准难度和解决难度,并由此演化出难度指数来描述试题及试题间的相对难度。
3) difficult degree indices
困难度指数
4) difficulty index of caving
垮冒难度指数
5) item difficulty index
试题难度指数
补充资料：日月失度难
【日月失度难】
谓日月失其所缠之度，时序不调。或赤日出，或黑日出，或二、三、四、五日出，或日蚀无光，或日轮一重现乃至四五重现，是为日月失度难。
谓日月失其所缠之度，时序不调。或赤日出，或黑日出，或二、三、四、五日出，或日蚀无光，或日轮一重现乃至四五重现，是为日月失度难。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条