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- It is a fact that no structural material is perfectly elastic. 事實上沒有一種結構材料是十全十美的彈性體。
- A body that recovers completely and resumes its original dimensions is said to be perfectly elastic. 完全恢復並復原到原始尺寸的物體稱為完全彈性體。
- The result is that multi-point forming with the elastic medium can limit the happening of dimpling and wrinkling. 結果表明,使用彈性介質可以顯著地抑制壓痕和起皺的發生。
- The seismic velocity and source function of homogeneously elastic media are inversed jointly by adopting Hybrid GA . 本文使用遺傳演算法對均勻彈性介質進行波速和震源函數的聯合反演。
- From an earthquake source within an elastic medium, both types of body waves will propagate outward into the medium. 這兩種體波將從彈性介質中的震源出發,向外傳播到介質中去。
- The basic theory of the method--that of a rigid inclusion in an elastic medium--has been developed by several investigators. 這種方法的基本理論--彈性介質中的剛性包體理論是由若干研究工作者發展的。
- Characteristic s and appl icati on of roll-bend fOrming technique using elastic medium have been intro -duced. 介紹了利用彈性介質進行滾彎成形技術的特點和應用。
- Section 6. 13 contains the treatment of an initial-value problem for the axisymmetric motion of infinite elastic medium. 第6?13節中包含對無窮大彈性媒質的軸對稱運動的初值問題的討論。
- Their solution can be obtained from the solution of the corresponding crack problems in elastic medium because of the analogic forms of these two kinds of BIE. 基於這些積分方程和相應的彈性介質中裂紋的不連續位移邊界積分方程的相似性,將二維壓電介質中直線裂紋(或共線裂紋群)的分析問題轉化成彈性介質中的裂紋問題。
- Biot(1956) established a fundamental theory of acoustic wave propagation through a fluid saturated porous elastic medium. 1956年Biot提出流體飽和多孔介質聲傳播理論,奠定了該聲學分支的理論基礎。
- Upon the interface of homogenuous isotropic elastic media the incident longitudinal wave produces the reflected longitudinal (P-P) wave and upgoing converted shear (P-SV)wave. 在均勻各向同性介質的分界面上入射縱波時,除產生縱波反射P-P波外,還會產生轉換橫波的反射P-SV波。
- "Ultrasonics: Vibrational or stress waves in elastic media that have a frequency above 20 kilohertz, the highest frequency of sound waves that can be detected by the human ear. 超音波:彈性介質中的應力波,其頻率在2萬赫以上,最高頻率超出人耳可聽聞的聲波頻率。
- Using numerical value test based on the wave velocity function of the transverse isotropic elastic medium, the two effects are validated. 從橫觀各向同性彈性介質的波速方程出發,通過具體的算例對這兩種特徵進行了較好的理論分析。
- By interaction between ultrasonic waves and elastic medium, it has carried much information of material, which are received in the form of ultrasonic echo signals. 它是利用超聲換能器的振動產生的超聲波與彈性介質相互作用,從而攜帶大量有關材料性能的信息,這種信息以超聲回波信號的形式被接收到。
- By treating the rock as the transverse isotropic elastic medium and using numerical test of the wave velocity function, the property is theoretically validated. 基於橫觀各向同性彈性介質的波速方程,還進一步通過具體算例對這特徵進行較好的理論分析。
- You needn't labor a point that is perfectly plain. 這點很明顯,你用不著講個沒完。
- The curtains blend in perfectly with the furniture. 窗帘(的顏色)跟傢具(的顏色)十分和諧。
- He can imitate his teacher perfectly. 他能維妙維肖地模仿他的老師。
- In this paper, the numerical simulation between using the elastic medium and not using the elastic medium is carried out to analyze the multi-point forming process, and the analysis on the dimple and the wrinkle defects is proposed. 本文對使用彈性介質和無彈性介質的多點成形過程進行數值模擬,分析成形過程中產生的壓痕和起皺現象,並對上述缺陷的不同影響因素進行了模擬研究。
- The artist had rendered her gentle smile perfectly. 該藝術家把她那溫柔的笑容表現得惟妙惟肖。