pitchfork
英 [ˈpɪtʃfɔːk]
美 [ˈpɪtʃfɔːrk]
n. 杈子; 干草叉
复数：pitchforks 过去分词：pitchforked 过去式：pitchforked 现在分词：pitchforking 第三人称单数：pitchforks
BNC.25645 / COCA.22185
牛津词典
noun
- 杈子；干草叉
a farm tool in the shape of a large fork with a long handle and two or three sharp metal points, used especially for lifting and moving hay (= dried grass), etc.
柯林斯词典
- 干草叉；草耙
Apitchforkis a tool with a long handle and two pointed parts that is used on a farm for lifting hay or cut grass.
英英释义
noun
- a long-handled hand tool with sharp widely spaced prongs for lifting and pitching hay
verb
- lift with a pitchfork
- pitchfork hay
双语例句
- We call it the pitchfork.
我们称它做强行注射。 - A simple bimolecular reaction model giving rise to pitchfork bifurcation
一个简单的能呈现二分岔现象的双分子反应模型 - For many people, Pitchfork is an expert on independent music.
对于许多人来说，音叉音乐网在发展独立音乐方面是佼佼者。 - What a waste to use a pitchfork only for garden work. When a few are skillfully combined, they make a very graceful coat stand.
如果只用干草叉来做园艺工作，真是一种浪费。把几个干草叉完美的组合起来，就成了一个非常美观的衣架。 - Chris kaskie, President of pitchfork media
克里斯•卡斯基，独立在线音乐媒体PitchforkMedia总裁 - She wears her clothes as if they were thrown on with a pitchfork.
她身上的衣服就像被扔在干草叉上。 - Pitchfork Coat and Shovel Coat Hanger
干草叉和铁锹衣架 - The steady-state solutions and their local stabilities are analyzed analytically. The Hopf bifurcation sets and the Pitchfork sets, on the driving frequency and driving force plane, are determined theoretically and experimentally, showing they agree with each other qualitatively.
解析分析了演化方程的稳态解及其局部稳定性，理论和实验确定了驱动频率和驱动力平面上的Hopf分岔集和叉式分岔集，理论和实验结果定性吻合。 - Poincare map for one-degree-of-freedom impact oscillator. A large number of numerical simulation shows that one-degree-of-freedom impact oscillator between two rigid sides could only have pitchfork bifurcations, while the two-degree-of-freedom vibro-impact system could have pitchfork bifurcations and Hopf bifurcations.
数值模拟表明单自由度双面碰撞振子的不动点只存在音叉分岔，而两自由度碰撞振动系统的对称型周期n-2运动可能存在音叉分岔以及Hopf分岔。 - The motion equations of the airfoil are written as the four dimensional one order differential equation, the analytic solutions of the critical speeds for the pitchfork bifurcation and Hopf bifurcation are obtained. The stabilities of the equilibrium points and limit cycles are studied in two parameter plane.
化方程为四维一阶微分方程，解析求出了系统发生叉式分支与Hopf分支的临界流速值，研究了在两个参数平面上的平衡点和极限环的稳定性及其个数。