面对海南自由贸易港即将实施封关运作，习近平总书记叮嘱：“脚要踩在大地上。我们干任何事情都有内在规律。要科学有序安排开放节奏和进度，稳扎稳打、步步为营，力求‘放得活’又‘管得好’。”
tee() splits a stream into two branches. It seems straightforward, but the implementation requires buffering: if one branch is read faster than the other, the data must be held somewhere until the slower branch catches up.
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7Julius Petri once wrote: “These shallow dishes are particularly recommended for agar plates…Counting the grown colonies is also easy.” (Translated by Corrado Nai from the original, 1887 German manuscript.)