The pulse tube professional thesis which is produced by the production method and the said production method of pulse tube professional thesis of large diameter and droopsA method is disclosed for making vascular prostheses from ePTFE said prostheses having a diameter which is larger, and a wall ...
aA pulse is excited by a monopole source at one end of the waveguide. The transmission coefficients are then calculated by Fourier transforming the amplitude of the fields at the other end, and are shown as a solid line in Fig. 4. In comparison, we also show in Fig. 4 the transmission...
pulse1 (pŭls) n. 1.The rhythmical throbbing of arteries produced by the regular contractions of the heart, especially as palpated at the wrist or in the neck. 2. a.A regular or rhythmical beating. b.A single beat or throb.
选b。因为it指代的是上面的pulse.the pulse is normal.=it feels normal.不能用被动语态,也不能用其它时态。因为描述的是现在的事,用一般现在时就OK了。
The pulse is what you tap your foot to in a song or measure to understand the health of a person or an ecosystem. 7 Impulses are often seen as temporary and fleeting, capable of leading to immediate but short-lived satisfaction or regret. They are unpredictable and can vary greatly in ...
hasfelt D. is felt 3The doctor is feeling the little girl's pulse. He says itnormal. A. feelsB. is feelingC. has feltD. is felt 4【题目】6.T hedoctor is feeling the little girl's pulse. He saysit_normal. A.feels B. is feeling C. hasfeltD. is felt 反馈 收藏 ...
476. to have one's finger on the pulse: 了如指掌 477. riding the bench: 无人问津/打入冷宫 478. to put a fox in the henhouse: 虎入羊群 479. to come thick and fast: 接二连三/应接不暇 480. talk out of both sides of his mouth: 言不由衷 481. to cave into someone: 五体投地...
Once you measure the period of a pulse waveform , the frequency is found by如果你测量了一个脉冲波形的周期,则其频率可以A.using another setting. 通过其他设置得到。B.measuring the duty cycle. 通过测量占空比得到。C.finding the reciprocal of the period. 求取周期的倒数得到。D.using another type ...
experimenting with plant-based proteins. The prevailing meat-centric culture in Europe necessitates a shift in certain beliefs for food system transformation to occur. A lack of scientific evidence, and a lack of a shared understanding of what the existing evidence means, is a factor hindering ...
Our guest of this special edition of The Hub is Mr. Grzegorz Kołodko, Former Deputy Prime Minister and Finance Minister of Poland. What's his view on the recent countervailing duties levied by the European Union against Chinese-made electric vehicles? And how does he see the challenges facin...