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
- There are three there, Bill, with a jolly large blue unicorn and gold pitchfork on'em: which is the old lady's arms.
那儿有三把椅子，比尔，上边画着一头挺大的蓝色独角兽和一把金色的草叉，是这家老太太的纹章。 - 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。 - When a young man without coat, and shouldering a pitchfork, appeared in the yard behind.
这时一个没穿外衣的年轻人，扛着一根草耙，在后面院子里出现了。 - 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 - Moreover, the pitchfork bifurcation curve is given, and the stability of equilibrium points is discussed in terms of different domains partitioned by the bifurcation curve.
并给出了分支曲线图，讨论了在由分支曲线划分的不同区域里平衡点的稳定性。 - 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 study shows that: the lasing without inversion can be produced by two destabilization mechanism the pitchfork and Hopf bifurcation;
研究结果表明：系统可以通pitchfork分岔和Hopf分岔两种失稳机制产生无反转激光； - Chris kaskie, President of pitchfork media
克里斯•卡斯基，独立在线音乐媒体PitchforkMedia总裁 - Some typical bifurcations such as period-doubling, tangent bifurcations, pitchfork and homoclinic bifurcations were observed.
观察到了许多典型的分岔现象，如倍周期分岔、切分岔、叉式分岔、同宿分岔等。 - It is concluded that the response of this system is a pitchfork bifurcation and the influence of excitation amplitude F 1, F 2 and damping μ is great. The property of the solutions can be easily controlled by adjusting F 1, F 2 and μ.
研究表明，该系统的稳态响应为一叉型分岔，激励幅值F1，F2和阻尼μ对普适开折参数的影响很大，通过调整F1，F2和μ可以很方便地控制解的分岔特性。