Studying live models like this mouse strain helps us begin to understand the earliest events in the development of leukemia.

研究活体模型如该小鼠系帮助我们开始理解在白血病发展过程中发生的初期事件。

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Young girls in a ballet dancing class. The instructors are serving as live models, showing the girls a behavior that they are to imitate and practice.

小女孩们在上芭蕾舞课，老师们作为活模特给孩子们展示动作，让她们去模仿和练习。

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A film in the backdrop showed these employees measuring, pinning and stitching in slow motion, as live models in the foreground cat-walked in versions of tailored suits.

T台上的背景影片展示了这些员工量衣和缝纫的慢镜头，而模特们则在前台展示着成衣。

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In recent years, Ms. Stephens has reconstructed the styles of ancient royals including Faustina the Younger and Empress Plotina sometimes on live models.

WSJ: On Pins and Needles: Stylist Turns Ancient Hairdo Debate on Its Head

Fusion creates live 3D models of both people and objects, while Interactions adds a whole variety of recognizable gestures to the Kinect for Windows SDK ("push-to-press buttons, grip-to-pan capabilities, and support for smart ways to accommodate multiple users and two-person interactions, " says Microsoft).

ENGADGET: Kinect for Windows SDK gets significant update on March 18, includes Kinect Fusion and Interactions

That means that the good mimics are restricted to places where their models live.

ECONOMIST: Insects and mimicry