launching erection：引進架設法

"雙連條","Latticing,double" | "引進架設法","Launching erection" | "質量守恒律","Law of conservation mass"

inertial frame, inertial system：慣性系

inertia 慣性 | inertial frame, inertial system 慣性系 | law of conservation of mass 質量守恒定律

joule：焦耳(能量和功的單位)

Hess' law 赫斯定律(一個化學反應的熱銷應決定于其始終態(tài),與中間過程無關) | joule 焦耳(能量和功的單位) | law of conservation of energy 能量守恒定律(在任一封閉系統(tǒng)中總能量保持不變)

Kirchhoff's Current Law：克希荷夫電流定律

各向同性物質 isotropic matter | 克希荷夫電流定律 Kirchhoff's current law | 電荷守恒定律 law of conservation of charge

laval nozzle：拉伐爾噴管

laundry machine 洗衣機 | laval nozzle 拉伐爾噴管 | law of conservation of energy 能量守恒律

malpractice insurance：失職保險

失業(yè)守恒規(guī)律 law of conservation of unemployment | 失職保險 malpractice insurance | 失重 zero gravity,weight losing

theorem of moment of momentum：動量矩定理

rocket 火箭 | theorem of moment of momentum 動量矩定理 | law of conservation of moment of momentum 動量矩守恒定律

solider on leave：離營軍人

水土保持法 Soil and Water Conservation Law | 離營軍人 solider on leave | 議長 speaker

law of radioactive disintegration：放射性衰變定律

law of parity conservation 宇稱守恒定律 | law of radioactive disintegration 放射性衰變定律 | lawrencium 鐒

law of combining weight：化合量定律

law of conservation of energy 能量守恒定律;能量不滅定律 | law of combining weight 化合量定律 | law of combining volumes of gases 氣體化合體積定律