In our initial program, there are only two interrupts per frame: one mid-screen to prepare for drawing the board and status line, and one at the bottom to reset the display for the logo next frame. This meant that the interrupt handler could decide what to do simply by checking the current scanline as reported by the $D012 register; if the value was over 127, do the end-of-frame work, and otherwise do the mid-frame work. That simple test required only a single instruction, and while the exact value of $D012 might vary, the test was broad enough that it didn’t have to worry about it.
承运人和旅客可以约定承运人对旅客车辆和旅客车辆以外的其他行李损失的免赔额。但是，对每一车辆损失的免赔额不得超过300计算单位，对每名旅客的车辆以外的其他行李损失的免赔额不得超过135计算单位。在计算每一车辆或者每名旅客的车辆以外的其他行李的损失赔偿数额时，应当扣除约定的承运人免赔额。，详情可参考PDF资料
，这一点在纸飞机官网中也有详细论述
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At 3,798m, Grossglockner is Austria's highest peak