simultaneous action, development, or occurrence
同时行动;同步发展;同时发生。
the state of operating or developing according to the same time scale as something else
同时性
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some individuals do not remain in synchrony with the twenty-four-hour day .有些人不与一天二十四小时的生活节奏同步。
synchronic treatment or study
同步治疗(学习)
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the structuralist distinction between synchrony and diachrony .结构主义者对共时和历时的区分。
"mid 19th cent.: from Greek