upstroke
向上的一击
常用释义
英音[ ˈʌpˌstrəʊk ]
美音[ ˈʌpˌstroʊk ]
基本释义
- n. 向上的一击；书写时向上的一笔；[机] 上行程；上行运动
例句
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1·The thrust force is mainly due to the drag of the wings in the upstroke.平衡身体阻力的推力主要由翅膀上拍中产生的阻力提供。
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2·The peak polished rod load occurs near the bottom of the stroke with the start of the upstroke.最大光杆负荷发生在上行冲程开始时的冲程底部附近。
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3·Modern birds use a similar bone in flight, drawing their wings toward their bodies during an upstroke.现代鸟类在飞行时也需要依赖这块腕骨，它们通过这块骨骼牵引翅膀以获得抬升力。
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4·The difference in the peak load on the upstroke and the minimum load on the downstroke of a polished rod.光杆上行冲程时的最大负载与下行冲程时的最小负载之差。
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5·With the down stroke of a wing during flight, the body moves up, but the subsequent upstroke can counter that force.用飞行翼的上下行程，身体向上移动，但随后的冲程可以对抗这种力量。
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6·In just six seconds he was moving seventy miles per hour, the speed at which one's wing goes unstable on the upstroke.在六秒钟内，他以每小时七十英里的速度运动。在这样的速度下，翅膀向上一举，就会失去平衡。
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7·The lines that formed the letters started again each time on the upstroke, the downstroke, and before the curves and loops.那些组成字母的一行行字每次开始写时都朝上挑，朝下冲的，而且还是在那些曲线和圈圈之前。
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8·Neither sodium valproate nor Verapamil showed any effect on action potential amplitude, overshoot, resting potential and phase o upstroke velocity.丙戊酸钠和异搏定对动作电位幅度、超射值、静息电位、O期最大除极速度均无明显影响。
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9·The flow fields are different for the three phase motion patterns and there are two types of leading-edge vortex motion at an earlier stage of upstroke or downstroke.三种相位下的涡流场形态各有不同，上挥（下拍）初期前缘涡的运动主要存在两种形态。
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10·According to the belt tension analysis of the large near-horizontal and upstroke conveyor during braking and starting, this paper gives the effects of brake location on the take-up tension.通过近水平和上运大型带式输送机制动工况和起动工况的张力分析，明确了制动装置位置对输送带张紧力的影响，进而提出大型输送机制动与张紧装置的优化布置方法。