writing n. 1.寫,寫作,執筆;習字,書法。 2.文件,契據;銘。 3.〔pl.〕著作,作品。 4.筆跡,手跡。 at this writing 寫這個的時候;本記者發稿時刻。 be busy with one's writing 忙于寫作。 in writing 寫,用書面。 put ... in writing 把…寫成文字。 writing on the wall 危機緊迫的征兆。
beam n. 1.梁,棟梁,桁條;(船的)橫梁。 2.船幅;(動物、人的)體幅。 3.(秤)桿,杠桿,(織機的)卷軸,經軸;(鹿角的)主干;車轅;犁柄;鋤把。 4.(光線的)束,道,柱;【物理學】波束,射束。 5.(笑容、表情等的)煥現。 6.【無線電】有效播聽范圍。 7.【航空】信號電波,指向電波。 a beam of light 一束光線。 the common beam 標準秤;準則。 beam and scales 天平。 a beam of delight 高興的表情,笑逐顏開。 an erector beam 【火箭】(發射時調整導彈位置的)千斤頂。 radio beam 無線電領航信號。 a landing beam 【航空】降落指示波。 abaft the beam = before the beam. a beam in one's eye 自己本身的大缺點〔與他人目中之刺相比,自己眼中有梁,源出《圣經》馬太福音〕。 before the beam 【航海】正橫前。 broad in the beam 〔口語〕臀部闊大。 fly the beam 【航空】按指向電波飛行。 fly the wet beam 【航空】順著河流飛行。 kick [strike] the beam 1. (秤一方)翹起;過輕,不足抗衡,無足輕重。 2. 輸,遭受失敗。 off the beam 脫離航向,不順利;不對頭;做錯。 on the beam 1. 【航海】與龍骨垂直地,正橫地。 2. 在航向上;對頭,做對。 on the port [larboard] beam 【航海】左舷正橫前。 on the starboard beam 【航海】右舷正橫前。 on the weather beam 【航海】迎著正橫風。 ride the beam = fly the beam. vi. 1.輻射,發光,閃光。 2.微笑,眉開眼笑。 vt. 1.發射(光線、電波)。 2.向…放[播]送。 3.(用雷達)探測。 4.(用波束)導航(飛機等)。 beam the program at America 向美國播送節目。 the sun beaming overhead 紅日當頭照。 beam upon 看著…微笑。 beam with joy 眉飛色舞,笑逐顏開。
Photoinduced birefringence and holographic recording were performed by using ar laser ( 488 nm ) as writing beam and he - ne laser ( 632 . 8 nm ) as reading beam 寫入光為線偏振壯離于激光,讀出光為線偏振he ne激光,信號山ccd多道分析器接收。
Employing writing beams with appropriate intensity distributions and external electric fields along proper directions , arrays of planar and channel waveguides can be fabricated in various pr crystals 研究結果表明:采用合適的光場強度分布以及合適的外加電場可以在不同光折變晶體中寫入平面波導陣列和通道波導陣列。
Fourthly , the incident intensity threshold of the fanning effect in twm was measured in the ce : knsbn crystal , and it is about 20mw / cm , while using 632 . 8nm red light with e polarization as writing beam 實驗發現在e偏振光寫入情況下, ce : knsbn晶體中光扇存在寫入光強度閾值特性,當寫入光強大于20mw cm ~ 2時光扇效應明顯增強。
The blocking - layer and the dielectric mirror separate the write beam and the read beam , and the dielectric mirror reflects the read light also . in order to separating the write beam and the read beam quietly , and reflecting the read bean in the most limit 液晶光閥的阻光層和介質鏡層起著隔離寫入光和讀出光的作用,介質鏡層還起著反射讀出光的作用。
( 3 ) the bragg - shift phenomenon of transmission holographic grating is investigated in theory and experiment . as a result , the bragg - shift phenomenon will be restrained when the intensity ratio of initial writing beams is one 對透射體全息光柵在讀出過程中的布拉格漂移現象進行了理論和實驗分析,得出在本實驗條件下,當寫入光強比為1 1時可以很好地抑制布拉格漂移現象的發生。
The main contents of this dissertation are as follows : ( 1 ) according to the set of equations governing the pr process , index changes in pr crystals induced by writing beams with different intensity profiles are theoretically analyzed and numerically simulated 所開展的工作以及得到的結論如下:從光折變動力學方程組出發對光折變晶體中光致折射率變化進行了理論分析,并建立了由寫入光的強度分布得到光致折射率變化分布的數值模擬方法。
As the results , firstly , some steady parameters were determined , including the gain coefficient , diffraction efficiency of the volume grating and response time t1 of twm under different total incident intensity i0 , ratio of two writing beams mo , angle between two writing beams 2 and polarization conditions 論文給出了不同寫入光強比、寫入總光強、寫入光夾角及偏振光下ce : knsbn晶體的兩波耦合增益系數、衍射效率、響應時間的變化規律。
At the different recording angles , the raman - nath diffraction and bragg diffraction phenomenon are observed , respectively . then , the wavelength selectivity and the relationship of diffraction efficiency and polarization state are discussed when the recording angle of 60 ? formed by two writing beam 分別觀察到了寫入光束夾角不同時光柵的拉曼-奈斯衍射和布拉格衍射現象,并對雙光束夾角為60時寫入光柵的波長選擇性及衍射效率與入射光偏振態的關系進行討論。