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- 快速反射鏡雙X-Y軸控制的模擬研究Simulative research on dual X-Y axis control of fast steering mirror
- 帶有雙X型鐵心框架的超導MRI磁體的設計Preliminary design of a superconducting magnet which has iron core with dual X shape for MRI
- 雙pair
- 一個可能為X染色體顯性遺傳的單一鐙骨畸形家系的臨床研究Clinical study of a single congenital stapes malformation with possible X-linked dominant inheritance
- 雙擊double-click
- 染色體chromosome
- 雙語diglossia
- X染色體倒位伴X連鎖無汗性外胚葉發育不良一個家系的產前診斷Prenatal diagnosis of X-linked anhidrotic ectodermal dysplasia with X-chromosome inversion
- 一雙pair
- 脫離X染色體detached X
- 雙贏Win-win
- X染色體X chromosome
- 雙色two-tone color
- 雙線crewel
- 脆X染色體fragile X chromosome
- 雙字double word
- 復X染色體compound X-chromosomes
- 雙倍doubling
- 無雙peerlessness
- 伴X染色體的X
