单语范例（未经PONS编辑处理）
The possibility of such a linkage necessitates more research.
en.wikipedia.org There is an increased mechanical complexity of the rotor system because it requires linkages and swashplates for two rotor systems.
en.wikipedia.org In the early 1990s, it was still the case that the beta mannoside linkage was too challenging to be attempted by amateurs.
en.wikipedia.org Perhaps the single most useful example is the planar four-bar linkage.
en.wikipedia.org The scope of the journal is research into the linkages between political economy and human impact on the environment.
en.wikipedia.org