The Model 24 snap acting relay is a highly accurate differential relay with snap-acting switching.
示范24换向阀是一个高度精确的管理差动继电器长效开关。
Conclusion Accurate differential diagnosis could be made with analysis for frequency spectrum feature with color Dopp...
结论通过对浅表肿大淋巴结的超声表现综合分析，可以做出较准确的鉴别诊断。
Conclusions Contrast-enhanced ultrasonography has the ability of accurate differential diagnosis of portal vein thrombosis, and is very important in clinical application.
结论超声造影能非常准确地鉴别出门静脉栓子的良恶性，具有非常重要的临床价值。
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