falling gradient

Research shows, on mountain highway with varied falling gradient, the continuous brake mode affected together can make vehicle travels steady in the speed range.

研究表明，在坡度不断变化的山区公路上，联合作用的持续制动方式可以使汽车在上述速度范围内稳定行驶。

It was discovered that IQ fastigium age was before 7 years and there was a falling gradient in IQ between 8-10. As a conception of "warning age" in IDD area and that of "key age" for prevention and treatment were established.

由于发现IQ高峰年龄在7岁以前及8～10岁时间有个IQ跌梯现象，故提出缺碘地区的警界年龄、防治的关键年龄概念。

Moreover, the earth-rock backfill of head conduit can recover early plant cover, and the layout is fit for terrain where topographical falling gradient is less than 20 degrees.

同时，回填管回填土石后，能够恢复原来植被，保护生态环境，且较适于地形坡度小于20°地面布置。

Since Lancang river belongs to the typical mountainous rivers. The waterway equipped with rapid flow, large falling gradient and many bends.

澜沧江属于典型的山区河流，航道普遍存在着水流急、比降大、弯道多的特性，这些严重地威胁着船舶航行的安全。

Aiming at the defect of gradient-descending arithmetic, such as low-speed of constringency, easily falling into local minimum, an improved approach based on affixation momentum and self-adaptive learning rate is proposed.

针对传统BP算法即梯度下降法，收敛速度慢、容易陷入局部极小值等缺点，提出了基于附加动量法和自适应学习速率的改进方法。