用手电光斜照角膜，检查角膜浊斑。检查瞳孔大小、形状和对等。检查虹膜否对称。
E. Inspect cornea for opacities by shining light at an angle toward the cornera. Check pupils for size, shape, and equality. Inspect iris for symmetry.
客户机程序应该用这种方法来判断服务器时否通过检查非零设置被锁。
A client shall use this method to determine if a server is locked by checking for a non-zero seed.
把纱窗拆下来，然后检查一下是窗户上否存在冰渣、透风的现象。
Remove window screens and check Windows for ice build up or cold air leaks.
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