是英語單詞,詞性包含名詞與形容詞,英式及美式發音均為[ˈdaɪæd]。作名詞時譯為“雙體”“二分體”“二價元素”等,形容詞時表示“二的”或“雙的”屬性。
該術語在多個學科中具特定含義:生物學指染色體減數分裂形成的二分體結構;化學中用於描述二價原子或基團;數學中代表由矢量構成的並向量運算符;社會學則指兩人互動的最小單位,如母嬰關係或聯署授權機制。其套用場景涵蓋光化學分子設計、遺傳學異常結構分析及國際關係研究等領域。
詞源可追溯至希臘語“dyas”(意為“二”)及原始印歐語詞根“dwo-”,其跨學科套用反映了對雙元結構的共性描述需求,如數學並向量源於矢量運算擴展,生物學二分體用於細胞分裂階段形態學定義。歷史衍變雖無明確記載,但多領域術語形成均圍繞二元關係這一核心語義展開。
基本介紹
- 外文名:dyad
- 詞性:名詞、形容詞
- 英式發音:[ˈdaɪæd]
- 美式發音:[ˈdaɪæd]
單詞釋義
單詞用法
短語搭配
雙語例句
- As a result dyad spores formed. 結果形成二分體孢子。
- Of or relating to a dyad or based on two. 屬於或關於二分體,或以二為基礎。
- At tetrad stage, dyad, triad, tetrad with micronucleus and polyad appeared. 四分體時期出現二分體、三分體、含微核的異常四分體及多分體。
- The dyad distribution and number-average sequence length of these copolymers were quantitatively determined. 定量地求得丁-戊共聚物二元組分布及數均序列長度數據。
- The strain, geometric equation and principal strain of the elastic solid are all-sidedly studied by using the method of dyad analysis. 利用並失分析法,對彈性體的應變、幾何方程和主應變進行了全面研究。
- The focus of the moment of meeting model of change is on the moment-to-moment exchanges between the two partners in the treatment dyad. 對於當下的會面模型中產生改變的關注是針對治療過程中咨訪雙方當下對當下的互動的。
- Participants in each dyad viewed an emotion-arousing film and then engaged in a conversation to discuss topics related to the target film. 每對參與者在觀看一段激發負面情緒影片後對影片中的相關議題進行討論。
- It is also shown that the dyad is just the outer product of two vectors, and the relationship between dyads and tensors can be accordingly set up. 據此,可以闡明並矢正是二矢量的外積,並建立了其與張量的對應關係。
- The chalazal cell in the dyad contains many organelles, and mitochondria and plastids showing regular shapes, considered a sign of the end of redifferentiation. 合點端的二分體細胞中細胞器豐富,線粒體和質體的形態正常,表明完成了再分化。
- With that definition it becomes clear that the real relationship is not devoid of influences from the past separate from the past of the therapeutic dyad itself. 從這一點便可以清楚看到真實關係則不會被除了這兩者以外的任何人交往的體驗所影響。
- The paper demonstrates that folklore is the dyad consisting of characteristic elements of folklore (CEoF) and expression of folklore (EoF) by analyzing the creative principals of folklore. 文章通過分析民間文學藝術的創造規律,論證了民間文學藝術傳統與民間文學藝術表現形式的二位一體性。

