thumbtack 中文意思是什麼

音標 ['θʌmtæk]
thumbtack 解釋
〈美國〉＝thumb pin. 名詞
  1. One thumbtack popped all eight of my back tires

    一個大頭正扎進我後面的所有八個輪胎裏面
  2. " ouch ! " cried the principal. " there is a thumbtack in this chair.

    「哎喲， 」校長叫道， 「這把椅子上有顆圖釘。 」
  3. But it is now much more common for hypnotists simply to ask a subject to stare at a small, stationary object ? such as a colored thumbtack on the wall ? during the “ induction patter, ” which usually consists of soothing words about relaxation and suggestions to concentrate

    不過，現在的催眠師多半只要求人們盯著一個小而且固定不動的目標，例如墻上一枚有顏色的圖釘，同時實施語言誘導，通常是利用安撫性的字句讓人放鬆及專心。
  4. The results show that the cps signals have the thumbtack - typed ambiguity, no distance and / or speed ambiguity and excellent speed / distance measuring performances. 3. we analyze anti - interference performances of the uniform ppm - ps radar signals and the random ppm - ps radar signals, and make the comparison between them

    研究結果表明隨機脈位調制與隨機二相碼調相復合脈沖串信號具有「圖釘型」的模糊函數，不存在距離速度模糊，具有良好的測距測速性能。
  5. Fsk / psk radar signal is the signal with both fsk and psk modulation at one time. it is with large bandwidth time product ( bt ), thumbtack - like ambiguity function and well ability of anti - emi. the fsk / psk signals of which the frequency - hopping and bi - phase sequences were randomly chosen often have high sidelobe level

    Fsk / psk信號是同時進行頻移鍵控（ fsk ）和相移鍵控（ psk ）調制的信號，該信號具有大時帶寬積（ bt ）和高分辨特性，並具有「圖釘型」模糊圖結構、低截獲概率（ lpi ）特性和較好的抗干擾能力，受到了廣泛的重視。
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