您要查找的是不是：
- The former causes forced vibration at the circular frequency of the crank shaft and the latter causes transient vibration at the natural frequency of the press. 慣性力激發(fā)的振動(dòng)是以曲軸轉速為頻率的強迫振動(dòng)，加工力激發(fā)的是以壓機固有頻率為頻率的過(guò)渡振動(dòng)。
- It is the natural frequency of emission of the hydrogen atoms in space . 這是空間氫原子“釋放”的自然頻率。
- It is the natural frequency of emission of the hydrogen atoms in space. 這是空間氫原子“釋放”的自然頻率。
- The natural frequency of specimen decreases as the crack length increases. 隨著(zhù)裂紋長(cháng)度的增加，試樣的固有頻率逐漸減小。
- Equation (4-198) yields a first approximation for the change in the natural frequency of vibration. 方程（4－198）給出了一級近似下的固有振動(dòng)頻率的改變量。
- Equation(4-198)yields a first approximation for the change in the natural frequency of vibration. 方程(4-198)給出了一級近似下的固有振動(dòng)頻率的改變量。
- The natural frequency of horizontal drift of moored systems is far lower than that of the first order motion. 系泊船舶的水平慢漂運動(dòng)的自然頻率遠低于一階運動(dòng)的自然頻率。
- The lower the natural frequency of the FST is, the better the performance of vibration isolation is. 浮置板系統的固有頻率越低，隔振性能越好。
- The natural frequency of a RCB is an important indicator to discriminate a RCB is damaged or not. 曲率模態(tài)振型和應變模態(tài)振型對于鋼筋混凝土梁的局部損傷較位移模態(tài)振型敏惑。
- Objective:To investigate influences of bicortical anchora ge on the values of natural frequency of dental implants. 目的:用有限元方法研究雙皮層骨種植對牙種植體初期穩定性的影響。
- The natural frequency of the gyro should be about 2 kHz,and the natural frequency of senseaxis should be one bandwidth higher than that of driveaxis. 陀螺振動(dòng)頻率應設計在 2 k Hz左右 ,檢測軸自然頻率比驅動(dòng)軸高一個(gè)陀螺頻帶寬度。
- Please check the alignment of shafting. 請檢驗軸系對中。
- The results indicate that the natural frequency of vibration of multispan stone arch bridge is closely packed and it has adequate safety allowance. 研究結果表明，多跨度石拱橋作為一個(gè)整體，其自振頻率較為密集，橋梁具有足夠的安全裕量。
- Centering of shafting by calculation method. 計算法軸系校中。
- Centering of shafting by direct connection. 平軸法軸系校中。
- This paper presents a method used for calculating the natural frequency of gases subjected by small pressure pulsations in pipe systems. 本文介紹一種用以計算微壓擾動(dòng)下管道中氣柱自振頻率的方法。
- Through analyzing the connatural characteristic of antenna, the factors are found that affect the natural frequency of antenna. 通過(guò)對天線(xiàn)固有特性分析，找到了影響天線(xiàn)頻率的因素，為天線(xiàn)結構設計提供了依據；
- The result shows that when the engine is in idling,its vibrating frequency is close to the natural frequency of the body frame. 結果顯示,當發(fā)動(dòng)機在怠速工況時(shí),它的振動(dòng)頻率接近于客車(chē)車(chē)身骨架的固有頻率,易發(fā)生共振,應盡量避免。
- It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951; it must be known to any kind of radio astronomer in the universe. "它是人們于1951年發(fā)現的太空氫原子的天然發(fā)射頻率,宇宙間任何一種射電天文學(xué)家都必定知道它。"
- Please check the alignment of shafting(steering gear system). 請檢驗軸系照光(舵系)對中。
