市场上有新鲜或冷冻的尾肉可供购买，价格随日令季节和供应情况而变动。
Tail meat can be purchased fresh or frozen, with prices varying with the time of season and supply.
计算结果表明，尾水调压室断面面积随水轮机工作水头的增大或尾水洞长度的缩短而减小。
The calculated result from an example shows that the stable sectional area reduces with the increase of working head, or the decrease of the tailrace tunnel length.
计算了雷诺数为8.9 ~ 1000.0时圆球绕流受到的阻力，分析尾涡形状及长度随雷诺数的变化规律。
The drag on the sphere was calculated for Reynolds numbers8.9to1000.0, and the shape and length of the wake behind the sphere were investigated.
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