jackknife
英['dʒæknaɪf]
美['dʒæknaɪf]
- n. 大型折合式刀；镰刀式跳水
- vt. 使弯曲；用折刀切
- vi. 屈身；折叠
详细释义
Noun:
-
a large knife with one or more folding blades
-
a dive in which the diver bends to touch the ankles before straightening out
-
dive into the water bending the body at the waist at a right angle, like a jackknife
双语例句
- 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
- 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。
用作不及物动词 (vi.)
用法讲解
- jackknife door 折门
- jackknife landing position 大摺刀落地姿势...
- jackknife sit-up 两头翘
- flap jackknife dive 坐式屈体跳水...
- jackknife action 折叠动作
相关词汇
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