心形符号（♥）是爱的象征，一般人认为这个符号是源自心脏。
这次收录的心形符号是牛津在线词典最新收录的45, 436个新词条中比较受争议的一个。
The entry is one of several controversial phrases among 45, 436 new definitions in the latest online edition of the OED.
为提高面结构光检测中符号识别效率和增强识别方法的鲁棒性，提出了一种基于形心特征面结构光符号识别方法。
To improve the efficiency of symbolic recognition and enhance the robustness of identification methods, a symbol recognition method based on the characteristics of the centroid is presented.
如今情人节的象征符号包括心形图案，鸽子，以及长有翅膀的丘比特。
Valentine's Day symbols that are used today include the heart-shaped outline, doves, and the figure of the winged Cupid.
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