STC Zero Ring UF Filter 零光圈超高解析滤镜
Ring Zero 零之戒
zero regular NCD ring 零正规NCD
zero divisor ring 零因子环
Zero Angle Ring Light 零角度环型光系列
non-zero divisor ring 非零因子环
almost zero matrix ring 几乎零矩阵环
以上来源于: WordNet
Set to let the phone ring0 times before picking up(zero ring).
设置到电话铃响起之前拿起电话（无铃声）。
With the temperature kept a little below four degrees above absolute zero, the electric current is ever circling a frozen ring of mercury.
由于温度保持在稍低于绝对零度以上四度，电流就沿着低温水银不断地流动。
The limits are valid for bearings before mounting under zero measuring load, and with no axial displacement of one ring relative to the other.
在测量负荷为零、而且一个套圈相对于另一套圈无轴向位移的情况下，这些限值对安装前的轴承有效。
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