Zero

(noun.) the sight setting that will cause a projectile to hit the center of the target with no wind blowing.

(noun.) the point on a scale from which positive or negative numerical quantities can be measured.

(noun.) a mathematical element that when added to another number yields the same number.

(verb.) adjust (as by firing under test conditions) the zero of (a gun); 'He zeroed in his rifle at 200 yards'.

(verb.) adjust (an instrument or device) to zero value.

(adj.) indicating the absence of any or all units under consideration; 'a zero score' .

(adj.) indicating an initial point or origin .

(adj.) of or relating to the null set (a set with no members) .

(adj.) having no measurable or otherwise determinable value; 'the goal is zero population growth' .

手打:谢莉

• Nobody got enough to eat; the bedclothes were too short and too thin; it was 28 degrees below zero, and the wash-water was frozen solid. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• If the magnet is allowed to remain at rest within the coil, the needle returns to its zero position, showing that the current has ceased. 伯莎M.克拉克. 科学通论.
• If one square inch of platina be heated to 100 degrees it will fall to, say, zero in one second, whereas, if it was at 200 degrees it would require two seconds. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Adams was laid off, and as his financial resources had reached absolute zero centigrade, I undertook to let him sleep in my hall bedroom. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• By repeating this operation the final temperature of 372° below zero is reached, at which the air liquifies. 佚名. 神奇的知识之书.
• The strip, A, is first put under a slight pressure, deflecting the needle a few degrees from zero. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.

校对:奥利弗