裂缝是固体材料中的某种不连续现象。
The crack is a certain discontinuous phenomenon in solid material.
因此，这种始终贯穿于副高脊线“重建”过程中的双脊线现象为副高脊线的不连续南撤提供了重要的前期征兆。
Therefore, the phenomenon of double SH ridge which consecutively impenetrates during its rebuilding provides the important omen for the discontinuous southward withdrawal of the SH ridge.
可连续长期工作，不发热，不产生过载现象，适用于大型金属检测仪检查后小范围查找断针的确切位置。
Continuous long-term work, fever, do not have been contained phenomenon, for large metal detector check after the small-scale Duanzhen find the exact location.
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