英语释义

• 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

片语

Jackknife Fish black-and-white drumfish with an erect elongated dorsal fin

同义词： jackknife-fish Equetus lanceolatus

Jackknife estimatorJackknife估计

jackknife detail折叠刀

jackknife methodsjackknife方法

jackknife door折门

jackknife cradle侧面抱腿和颈翻

jackknife equip带折叠井架的鉆机

jackknife seizure折刀状发作

jackknife method刀切法

英汉例句

• 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。

• 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。

• 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，各项检验準确率均很高：回顾性考核为91.8% ，刀切法为91.5 % ，前瞻性考核为90.1%。

• 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。

• 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準确率70.63％，刀切交叉验证评估。

• 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。

• 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。

• 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。

• 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.

  準确使用木刀切东西，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。