Let's revisit the filing cabinet example above with A-L and M-Z mail drawers.
让我们重新看看带有A - L和M - Z邮件抽屉的文件柜示例。
2
Determining the hemisphere is easy: latitude zones a, C, d, e, F, g, h, J, K, l, and m are in the Southern hemisphere, and the rest are in the Northern hemisphere.
这种确定非常简单：纬度区a、C、D、E、F、G、H、J、K、L和m位于南半球，而其余区位于北半球。
3
As it can be seen in Figure 1, a light with a wavelength of 530nm triggers the M-cones most, the L-cones slightly less and the S-cones just a little.