black strip

基本解释

The attenuation weak spot is the black strip in the lower left corner of the band.
天线的衰减弱点就是钢圈左下角的黑色覆盖物。
d. If you are experiencing this on your iPhone 4, avoid covering the black strip in the lower-left corner of the metal band.
如果你在iPhone 4上遇到了这一问题，请避免用手握住金属边左下角的黑色部分；
Apple suggested last month that users either buy a case or avoid holding the lower-left corner of the phone in a way “that covers both sides of the black strip in the metal band.”
苹果公司上个月表示，用户要么购买一个手机胶套，要么避免握住手机左下角"黑色面板左右两侧的金属条"。

If you ever experience this on your Phone 4, avoid gripping it in the lower left corner in a way that covers both sides of the black strip in the metal band, or simply use one of many available cases.
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