划手

The boat of shell is sometimes directed by a coxswain.

在划船运动中，每一划手双手划桨，船只有时有舵手。

So remember, keep your head tucked into your chest, keep that key-hole shape with your arms and breathe every 2 strokes.

所以要记住，尽量将头部贴近胸部，保持双手的"锁孔"路线，并且两蝶划手和呼吸一次。

A naval architect from Essex, England, White, 51, had been a champion rower .

51岁的怀特是来自英国埃塞克斯的军舰设计师，以前是一名冠军划手。

That they were all rowers as well as warriors we see from his account of the ships of Philoctetes, in which all the men at the oar are bowmen.

按照Philoctetes船的情况看，在这些船上在桨边上的都是划手，他们既是桨手又是战士。

He is an excellent long-distance rower.

他是一名出色的长距离划手。

Some swimmers kick with a six-beat kick in freestyle (six kicks for each stroke cycle), while others use a two-beat kick or a four-beat kick.

有些游泳运动员自由泳做6次打腿（一个完整的自由泳划手周期内作6次打腿），但有些运动员则作两次或者四次。

As you gain mastery of the sculling action, start to go faster and faster.

当掌握了浆式划水动作后，再增加划手速度。

Sculling is another kind, in which each oarsman controls two oars, one in each hand.

在单人双桨赛中，每一划手划两支桨，一手一支。

There are many swimmers at international level now to use the sculling position to develop speed and feel the water of the start and turn.

现在有很多国际水平的选手在出发和转身时都采用小划手来增加速度并获得水感。

Those swimmers who have great sculling capability may practice the drill or choose to practice the drill or any section of the drill with the sculling position at the front.

对于小划手技术很好的选手可以选择手在前方作小划手的方式就本项练习或本项练习的任何部分进行训练。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。