图1：凹版印刷的效果：真币(左)和复制币(右)。

Figure 1. Effect of intaglio printing: authentic banknote (left) and copied note (right).

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对真腔、假腔、“双腔主动脉”、左室形态和信号对比进行了描述。

The true lumen, false lumen, "double-barrelled aorta", LV morphology and signal contrast were described.

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梳好头，画好妆，我对着镜子左照照右照照，感觉真靓，就转身往学校跑。

Draw good makeup, I look at themselves in the mirror left-right look, feel really good, they turned to the school run.

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