tackle-block

基本解釋

The problem about mechanical efficiency of tackle-block is the key point in junior high school mechanics and also the difficult point.
滑輪組機械效率問題是初中力學中的重點，也是初中力學解題的難點。
This paper puts forward some methods of solving mechanical efficiency of tackle-block, hoping to help students break through difficulties.
本文就有關(guān)滑輪組機械效率的解題提出一些解決方法，有助于幫助學生突破難點。
A simple tactic: pick one half-hour block each day in which to tackle all of the small, non-academic tasks that need to get done. Right before or after dinner is a good time.
提供一條簡單的策略，每天抽一個半小時時間用來處理這類非學科類但必須完成的小任務(wù)，而晚飯前后是個好時機。

There is a management mind-block around the challenges they can legitimately tackle.
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