在杨氏模量、金属线胀系数实验中，微小形变量的测量是关键环节。
The measurement of micro deformation is the key in Youn Modulus and linear expansion coefficient experiments.
利用交流电桥和约利弹簧秤组成实验装置，测量了金属的线胀系数和液体的密度。
Coefficient of linear expansion of metal and density of liquid are measured by the experiment device which is composed of AC bridge and Joly spring balance.
对可能影响金属线胀系数测量的各个因素进行分析，以达到减小实验误差的目的。
This paper analyzes the factors that influence the measure of linear coefficient of expansion, so that the error of the experiment can be decreased.
本文介绍了一种用百分表测量铝合金金属线胀系数的方法，并对测量结果进行了误差分析。
A method of measuring metal linear expansion coefficient of aluminium alloy by a percent meter is introduced. The error analysis in the result of the measurement is conducted.
将反射式光纤位移传感器应用于固体线膨胀系数测定仪，可以较精确地测定金属线胀系数。
The system consisting of optical fiber displacement sensor and solid linear expansion coefficient apparatus, is used to measure the linear expansion coefficient of metal.
本发明的纳米抗菌PP-R复合管，经试用显示了强度高、线胀系数小，具有明显的抗菌效果的优点。
Trial use shows that the nano antibacterial PP-R composite pipe of the invention has the advantages of high strength, small coefficient of inertia expansion and remarkable antibacterial effect.
花岗石平台（花岗石平板）经长期天然时效，组织结构均匀，线胀系数极小，内应力完全消失，不变形。
A granite platform (Granite Flat Panel) was a long-term natural aging, organizational structure, uniform, linear expansion coefficient is extremely small, internal stress disappear, not deformed.
花岗石平台（花岗石平板）经长期天然时效，组织结构均匀，线胀系数极小，内应力完全消失，不变形。
A granite platform (Granite Flat Panel) was a long-term natural aging, organizational structure, uniform, linear expansion coefficient is extremely small, internal stress disappear, not deformed.
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