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The underground metal detector is made of advanced technology. It has the characteristics of wide detection, accurate positioning, strong resolution and easy operation. Metal detectors are mainly used to detect and identify metal objects buried underground. In addition to military applications, it is widely used in security inspection, archaeology and prospecting, and the search for scrap metal, which is also known as "iron probe", which is a good helper for waste recycling.
All non-believers, who don't think that "rock and roll" is dead, should examine today's music charts. Whether its Billboard or Rolling Stone or America's Top 40, the top of the charts are ruled by such artists as Rihanna, Lil' Wayne, Kelly Clarkson, Bruno Mars, and LMFAO, not just one rock artist within the bunch.
Despite the fact that putting the wrong fuel in your car may have serious consequences for that function of the engine, so named misfuelling seems to be an increasing problem amongst UK drivers. Some specialists have surmised there are several reasons that folks apparently use the incorrect fuel usually.
Gate management principles: 3.5 to 4.95 M by crystals of sinusoidal oscillation, dividing by the frequency divider is about 7.8 K sine wave, the triode power amplifier input after door plank with coil (7) large coil electromagnetic launch, by the gate 1-6 area to receive coil respectively. After receiving, the received signal are compared with those of the reference signal, found that after the change, change the acquisition card output level, the CPU in 300 milliseconds for 6 location data acquisition card scanned, determine the metal's location and output display
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