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1.a baseball pitch thrown with little speed or spin.
投手投出的不旋转球。收藏指正
2.The system can acquire heading、roll and pitch with high speed and high efficiency,and display their mean and variance in the testing interface.
该系统能够实时高速采集航姿系统输出的航向角、横滚角和俯仰角等航姿信息,并计算出相应的均值和方差显示在测试界面上。收藏指正
3.Taking the Hudson TB 12 ( 4 ) type fan as an example, this paper gives an analysis and comparison between the pitch angle and speed controls for air flow of the air cooler fans and reviews the economy of both the methods of control.
本文以哈德森(HUDSON)TB12(4)型风机为例,对空冷器风机流量的调角调节和调速调节进行分析对此,并评述了这两种调节方法的经济性。收藏指正
4.Based on research of wind turbine aerodynamic characteristics, this paper analyzed various control methods for a pitch-controlled system of variable-speed and constant-frequency wind turbine at a wind velocity range higher or lower its speed rating respectively.
摘要在风力机空气动力学特性分析的基础上，讨论了变速恒频风力机组变桨距机构在低于额定风速阶段和高于额定风速阶段的不同控制策略。收藏指正
5.Speed 0.5s/round, data collection thickness 1.0mm, pitch 5.5, contrast medium dose 1.5ml/kg, injection speed 3.0ml/s, delay time 15s, reconstruction interval 0.5mm, reconstruction thickness 1.0mm.
扫描速度0.5秒／转，数据采集层厚1.0mm，螺距5.5； 造影剂剂量为1.5ml／kg，注射速度3.0ml／s，延迟时间15s，重建间隔0.5mm，重建层厚1.0mm。收藏指正
6.Slow variation in the pitch of a sound reproduction resulting from variations in the speed of the recording or reproducing equipment.
音符失真，声音走音由于录音或放声装置中速度的变化而引起的，在放声中出现的较慢的音调变化收藏指正
7.Raw data were acquired by multislice spiral CT-Aquilion(Toshiba),scan speed 0.32s/270°,raw slice thickness 2.0mm,helical pitch 1.0-1.2.Contrast media(Ioverol) was injected intravenously(2ml/kg) at speed of 3.5ml/s,delay time was 20s.
东芝AQUILION多层螺旋CT采集原始数据 ,扫描速度0.32s/270° ,层厚2mm,螺距1.0 -1.2。 对比剂安射力 :2ml/kg,注射速率3.5ml/s。收藏指正
8.We pitch forward when the car in which we are riding is stopped suddenly, and we are pushed back when the car suddenly increase its speed.
当我们所乘坐的汽车突然刹车时，我们就会朝前倾，而当汽车突然加速时，我们就会向后仰。收藏指正
9.Vary the speed and pitch of your voice to avoid monotony and to make your presentation seem more dynamic.
语速要张弛有度，语调要抑扬顿挫，这样会使你的演讲更加生动活泼，避免单调乏味。收藏指正
10.You can record up to 30 seconds from an audio source such as a CD, MD or MP3, and play it back repeatedly (looped) at a slower speed without changing the pitch.
您可以录制长达30秒,从音源如CD,海事或MP3音乐,和重放反复(回路)的速度较慢的速度,而不改变足球场.收藏指正
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