Additionally, check out
But there’s also that annoying, gnawing truth: You don’t know what you don’t know. This has, for decades, been an apt adage for describing life in this experimental orbital colony. Eventually, though, different aphorisms will come into play. Yes, it’s true: You don’t know what you don’t know. But we do know that all good things come to an end. And that what goes up must come down.
。关于这个话题，WPS下载最新地址提供了深入分析
“It was relatively calm and the three of us were working in the aft galley,” a flight attendant recalled in an N.T.S.B. crew statement last March, about a flight over the Philippines. “A young little boy entered the galley asking for sandwich snacks. Suddenly, unexpectedly, clear-air turbulence struck. . . . It all happened so fast. I remember flying up and then dropping down hard, hitting the side of one of the carts and then being thrown backwards, hitting hard flat onto the galley floor. My head and back slammed onto the floor and so did the little boy right beside me. His screams of fright and agony when he landed hard on his back still haunt me.”
el: "#player-container",
The equation keeps the maximum error at 1 regardless of the denominator we’ve chosen. By that metric, a 1-good approximation is associated with s