Objective The objective of this study was to test the corrosion resistance of Gallium alloy, a new mercury-free dental restorative material.

目的研究新型不含汞的牙体充填材料镓合金的抗腐蚀性能。

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The objective of this study is to conclude the effective motivation factors, and to study the relationship between personality styles and motivation factors.

本研究的目的是总结归纳企业员工的有效激励因素，进而研究人格类型和激励因素的关系。

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The objective of this study was to determine the biomechanical characteristics of the DLBP and compare them with the characteristics of the SHS and Twin Hook.

本研究的目的是明确DLBP的生物力学特性，并将其特点与SHS和双钩相比较。

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The objective of this study was to estimate the annual and lifetime medical costs attributable to obesity, to compare those to similar costs attributable to smoking, and to discuss the implications for prevention.

FORBES: Alcohol, Obesity and Smoking Do Not Cost Health Care Systems Money