Resting on his board 75 yards from shore, he turned to watch his friend Brian Simpson glide under the curve of a near-perfect wave.
他在离海岸75码的地方在板上休息，转过去看他的朋友Brian Simpson在一个近乎完美的浪下滑行。
It can control and graduate sinusoidal curve and triangle wave curve by using axis servo valve.
通过采用轴伺服阀，可实时控制并产生正弦曲线和三角波形曲线。
Visual field analysis is interfered by HM fundus dystrophy, also relationship with study curve, long wave motion and short wave motion.
视野分析要结合眼底情况，排除高度近视的影响因素，并注意初检者的学习曲线及视野的短期、长期波动特点。
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