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An important feature of NIO is that socket's main read, write, register and receive functions are non-blocking during the wait-ready phase, and the real I/O operations are synchronously blocking (CPU consuming but very high performance).众人大惊，好好的大喜日子，咋吵起来了？泥鳅忙问道：谁跟谁吵起来了？你可知道咋回事？一边匆匆往外走。Q: What kind of Kaggle competition do you like best? Why?我不是个爱撒谎的人。5. Sockstress attack (slow attack)3. Physical period: Uniform circular motion is a kind of periodic motion. The so-called periodicity refers to the fact that after a certain period of time, the moving object repeats back to its original position, and the instantaneous speed repeats back to its original size and direction. The time it takes for an object to move in a uniform circle is called a period. The period is expressed by the symbol T, and the period is also a physical quantity describing the speed of uniform circular motion. The long period indicates the slow motion of the object, while the short period indicates the fast motion of the object.