双子座计划 Project Gemini
双点划线 double dots line ; Dash-Dot-Dot ; two dot chain line ; Strich-Zweipunktlinie
双亲计划协会 Association Planned Parenthood
双线性规划 [计划] bilinear programming
双层规划 Dual Planning ; two-tier planning ; two level programs
双星计划 Double Star Programme
双人划艇 One Two Boat Racing ; Canadian pair
划双线笔 detail pen for double lines
第三个长度采用三划一换气，注意每只手的划水都算一划。这样的换气方式就是通常说的双侧呼吸。
On the third length, breathe every three strokes, with each hand-hit counting as one stroke. This is commonly called bilateral breathing.
办公室的有限培训针对于7100划片机，7900双轴划片机和977清洗系统，现场培训限于客户的设备类型。
Limited training could be held at the office (for the 7100 dicing system and 7900 our duo spindle dicing systems and 977 washing station) as well as on site training using customer equipment.
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