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- An identification approach was researched, it estimated structural physical parameters via ambient excitation. 摘要基于連續時(shí)間模型，利用導數的近似值代替導數值，運用最小二乘法估計結構參數。
- In this paper, the empirical genetic-simplex algorithm is applied to structural physical parameter identification based on incomplete modal parameters. 本文將這一方法應用于不完全模態(tài)參數已知條件下的結構物理參數識別研究。
- Through examples, the influences of the randomness of the structural physical parameters and loads on the structural displacement and stress response are analyzed, and the rationality and feasibility of presented model and approach are validated. 通過(guò)算例，分析了結構物理參數和外載荷的隨機性對結構位移和應力響應的影響，并驗證了又中模型和方法的合理性與可行性。
- He tutored the child in physics. 他給這小孩輔導物理。
- Physics is governed by cosmic laws. 物理學(xué)受宇宙法則的制約。
- Physics has made enormous progress in this century. 本世紀物理學(xué)的發(fā)展突飛猛進(jìn)。
- Einstein's theory marked a new epoch in physics. 愛(ài)因斯坦理論開(kāi)創(chuàng )了物理學(xué)的新紀元。
- There is a structural alteration to the building. 這座建筑物在這有一處結構上的改變。
- The Wonderful Guesses of structure Physics 對結構物理學(xué)的奇想妙猜
- Nuclear physics is a closed book to me. 核物理學(xué)是我完全不懂的一門(mén)學(xué)科。
- Nuclear physics is a closed book to most of us. 我們大多數人對原子核物理學(xué)一竅不通。
- His area of concentration is nuclear physics. 他的專(zhuān)門(mén)研究范圍是原子物理學(xué)。
- She majored in maths and physics at university. 她在大學(xué)期間主修數學(xué)和物理。
- structural physical simulation e xperiment 構造物理模擬實(shí)驗
- Einstein won the Nobel Prize for physics in1921. 1921年愛(ài)因斯坦曾榮獲諾貝爾物理學(xué)獎金。
- I was shocked at the structural damage. 我對建筑所遭的破壞感到震驚。
- He trusted the physic of his doctor. 他信任他醫生的醫術(shù)。
- I have only a rudimentary grasp of physics. 我對物理學(xué)僅有初步的了解。
- She flunked the physics examination. 她物理考試不及格。
- A structural unit, such as a beam or wall. 構材建筑物之單位結構，如橫梁或墻
