| 释义 |
jack knife ˈdʒæknaɪf 短语⁷⁷⁵²⁵
基本英英搭配例句
n.大摺刀
名词 jackknife:
a large knife with one or more folding bladesa dive in which the diver bends to touch the ankles before straightening out
动词 jackknife:
dive into the water bending the body at the waist at a right angle, like a jackknifebefore one can say Jack knife马上before you could say Jack knife马上before you can say Jack knife马上before one could say Jack knife马上
The period of the sample is determined by near neighbor algorithm adopting grey incidence degree as distance. The Jack knife test accuracy achieves79.55%.
以灰色关联度为距离定义，使用近邻法对古陶瓷样品年代进行预测，其留一法预测精度达79.55%。 ecice06 |