linkage (n.)

"联结系统"，1874年，最初用于机械工程，源自 link（动词）+ -age。

To understand the principle of Peaucellier's link-work, it is convenient to consider previously certain properties of a linkage, (to coin a new and useful word of general application), consisting of an arrangement of six links, obtained in the following manner ... (etc.). ["Recent Discoveries in Mechanical Conservation of Motion," in "Van Nostrand's Eclectic Engineering Magazine," vol. xi, July-December 1874]

为了理解 Peaucellier 的连杆机构的原理，方便起见，先考虑一个由六个连杆组成的连杆机构的某些特性（创造一个新的、有用的通用词），该连杆机构是通过以下方式获得的...（等等）。["Van Nostrand's Eclectic Engineering Magazine"，第11卷，1874年7月至12月，"机械运动守恒的最新发现"]