这是一把丁字尺。
With a t square in his hand. the teacher of geometry came into the classroom.
几何老师手拿一把丁字尺，走进了教室。
Methods Using least square method simulating line identify the end point of t wave.
方法采用最小二乘法拟合直线识别T波终点。
The T-shaped square will answer for our needs.
这把丁字尺将满足我们的需要。
The T-shaped square will answer for our needs.
这把丁字尺将满足我们的需要。
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