【教えて下さい】「Let any number of my best」の意味

At the end of the abstract the number of the figure which best characterizes the invention shall be indicated, the reference signs of which shall be used in the abstract (following the feature mentioned, between parentheses).
要約の末尾に，発明を最も適切に特徴付ける図形の番号を表示する。 - 特許庁

http://ejje.weblio.jp/sentence/content/+number+of+best