jackknife
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n.
折叠刀；
v.
对折，用折叠刀切；
变形
过去式：jackknifed过去分词：jackknifed现在分词：jackknifing第三人称单数：jackknifes
英英释义
jackknife[ 'dʒæknaif ]
n.
a large knife with one or more folding blades
同义词：clasp knife
a dive in which the diver bends to touch the ankles before straightening out
v.dive into the water bending the body at the waist at a right angle, like a jackknife
双语例句
用作不及物动词(vi.)
The results show that the vehicle tends to rollover on the high friction-coefficient road, while the vehicle tends to yaw and jackknife on the low friction-coefficient road.
结果表明，重型半挂车辆在附着系数较高的良好路面上容易发生侧倾失稳，而在附着系数较低的湿滑路面上则更容易发生横摆和折叠失稳。
权威例句
The Jackknife, the Bootstrap and Other Resampling PlansThe Jackknife, the Bootstrap and other resampling plans
The Jackknife, the Bootstrap and other resampling plans
Bootstrap methods: Another look at jackknife
Bootstrap Method: Another Look at the Jackknife
Bootstrap Methods: Another Look at the Jackknife
Bootstrap Methods: Another Look at the Jackknife
The jackknife, the bootstrap and other resampling plans. Society for Industrial and Applied Mathematics
A Leisurely Look at the Bootstrap, the Jackknife, and Cross-Validation
1977 Rietz Lecture—Bootstrap Methods—Another Look at the Jackknife
1. But, yahoo still is put in jackknife government issue.
但是，雅虎仍存在重叠管理问题。
youdao
2. Arch spat some more tobacco juice on his boot top and whetted the jackknife blade some more.
阿奇又朝靴面上吐了些烟沫，再把大折刀磨了几下。
youdao
3. T he algorithm has been trained and tested on Bacillus subtilis promoter dataset by the jackknife method.
对实际数据集进行的刀切法测试验证了算法的有效性。
youdao
4. The tests showed exactly high classification validity: retrospective test 91.8%, Jackknife method 91.5%, prospective test 90.1%;
逐步判别分析所得的分类函数，各项检验准确率均很高：回顾性考核为91.8% ，刀切法为91.5 % ，前瞻性考核为90 .1%。
youdao
5. Accurate use of wood Jackknife things, the concept of sub-culture baby, this product will be made high baby unlimited exploration of life's interest.
准确使用木刀切东西，培养宝宝等分概念，此产品能提高宝宝对生活无限探索的兴趣。
youdao
6. The first step to use the Jackknife Method is to create Random Groups. And the paper presents three methods to do so and makes a comparison among them.
在使用刀切法时需要划分随机组，文中提出三种划分随机组的方法并对它们作了比较。
youdao
7. This paper studies linear regression models with dependent errors, and we introduce the jackknifed least squares estimator and generalized jackknife least squares estimator.
在误差为相依的情况下，讨论了线性回归模型的刀切最小二乘估计与广义刀切最小二乘估计。
youdao
8. Spicate top is unripe, yellow luxuriants piece, jackknife is bunchy, be like langouste, fox-brush, and blossom all the year round, appropriate and potted, also can make flower bed decorate.
穗状花序顶生，黄色苞片，重叠成串，似龙虾。狐尾，且常年开花，适宜盆栽，也可作花坛布置。
youdao
9. Nearest Neighbor Algorithm is used as a prediction model to predict the protein subcellular locations, and gains a correct prediction rate of 70.63%, evaluated by Jackknife cross-validation.
最近邻算法是用来作为预测模型预测蛋白质的亚细胞位置，并获得一个正确的预测准确率70.63％，刀切交叉验证评估。
youdao
10. The commonly used methods for calculating the shoreline change rate based on the coastal evolution history include end point method, average the method, linear regression method and jackknife method.
计算历史时期海岸线变化率常用的数学方法有端点法、平均速率法、线性回归法和折剪法。
youdao
11. The commonly used methods for calculating the shoreline change rate based on the coastal evolution history include end point method, average the method, linear regression method and jackknife method.
计算历史时期海岸线变化率常用的数学方法有端点法、平均速率法、线性回归法和折剪法。
youdao
jackknife
