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- They emit high frequency pulses of sound through their mouth or nose which bounce off surfaces and objects around them. 它们通过嘴或鼻子发出高频脉冲声,这些脉冲声碰到周围的表面或物体就会反射回来。
- Liu Zheng, Zhang Shouhong.Estimation of target motion parameter in a stepped frequency pulses radar [J].Acta Electronica Sinica, 2000, 28 (5): 43-45. [5]刘峥;张守宏.;步进频率雷达目标的运动参数估计[J]
- The Study of Hop Frequency Sequence in Bluetooth 关于Bluetooth跳频序列的研究
- The test shows that the medium frequency pulsed starting arc supermini unit works stably and reliably... 试验表明:工作稳定可靠,引弧能力强。
- The high frequency pulse 50-100/sec is known as dense wave, the low frequency pulse 2-5/sec termed as rarefaction wave. 频率快的叫密波(高频),一般在50-100次/秒,频率慢的叫疏波(低频),一般在2-5次/秒。
- Abstract: An alternative current medium frequency pulsed magnetron sputtering cathode power supply was introduced. 摘 要: 本文介绍了一种中频交流脉冲式磁控溅射靶极电源。
- He just hopped off without telling us he was going. 他匆匆走了,也没告诉我一声。
- Hop it now. I want to clear this room for meeting. 快走开,我要打扫这房间准备开会。
- The nickel electroforming layers with nanocrystalline (nc) were obtained by using high frequency pulse current and strong electrolyte flushing. 采用高速冲液电铸装置、高频脉冲电流等方法,制备出金属镍纳米晶粒电铸沉积层。
- A hare hopped straight into the doorway. 一只野兔跳进了门廊里。
- In the paper, the high frequency pulse tube coolers (PTCs) developed for 80 K and below temperature application are introduced. 摘要首先介绍了作者开发的可用于80K及以下温区的高频脉冲管制冷机。
- He just hopped off without telling us be was going. 他匆匆走了,也没告诉我们一声。
- I hop you are all geared up for the mew sales campaign. 我希望你们都为新的销售活动做好准备。
- The paper introduction mechanism,application,selectio principal and some attentive items using of high frequency pulse TIG welding machine. 介绍高频脉冲TIG焊机的机理、用途、选型原则和使用时的注意事项。
- Hop in, I'll give you a lift to the station. 上车吧,我开车送你去车站。
- Flying many hop is you go to make in your flight? 你这次飞行打算中途停多少个地方?
- Small VSAT station transfers information to the center station and other small stations with hopping frequency (HF) mode. The center station transfers data to each VSAT with TDM mode. VSAT小站:以跳频方式向中心站和其他小站传输信息,中心站以TDM方式向各VSAT传输数据。
- Fred was all hopped up about going over the ocean. 弗雷德一想要远渡重洋,就兴奋得要命。
- Using a high frequency pulse radar of 300MHz, radar sounding was carried out at 150 points on Collins Ice Cap and the echo profile of bedrock in 15km distance was given. 使用一台300MHz高频脉冲雷达,对柯林斯冰帽150个测点进行冰厚探测,描绘出15km冰床雷达回波剖面。
- The frog hopped along the shore of the pond. 那只青蛙沿著池塘边跳跃。