Try your double low-tone whistle with the same temporal spacing and the same notes, and you will see the text "two low" printed to the screen. If you want to see the functioning of the cmdWhistle.pl

尝试以同样的时间间隔并以相同的音调吹两声低音调口哨，您将看到文本 “two low” 打印到屏幕上。

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The design of the trellises also experimented on a double curved version of "flat curve" -a form often seen in traditional Chinese architecture - with a low-tech and low-cost method.

这个木棚架的设计也尝试在双弯曲的“平缓曲线”的一种形式，这在中国传统建筑—常常看到一个低技术和低成本的一个手段。

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By means of intervarietal crossing and linear selection, the new rape variety "Youyan No. 1" of low erucic acid and "Youyan No. 2" of "Double Low"(low erucic acid and low glusosiolate) have been bred.

通过品种间杂交和系谱法选择，育成了甘兰型低芥酸油菜新品种“油研1号”和甘兰型“双低”油菜新品种“油研2号”。

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In their recent match against Italy, Olympic champions Misty May-Treanor and Kerri Walsh Jennings racked up one high five, 16 low fives, six double-high and double-low fives, and five bum taps, for a total of 28 touches in the first 25 plays, an average of 1.12.

WSJ: Group Hug: Which Olympic Sport Wins Gold for Touchiest?

Best Buy noted that in U.S. outlets it saw a low double-digit comp stores sales decline in TVs and entertainment hardware and software, with TVs seeing a low-double digit decline in units and a mid-single digit price decline.

FORBES: Best Buy Plays Grinch: Offer Grim Holiday Sales Outlook

They had just 11 low fives, two double-low fives and six bum taps in their win over Russia, for a downright puritanical average of .76.

WSJ: Group Hug: Which Olympic Sport Wins Gold for Touchiest?