physical quantities,momentum,hooke's law,pressure-barometer,heat-gas law (PT),Light-plane mirror,wave-light wave diffraction,electricity-ohm's law(relation between voltage¤t calculation)
sec b,c pressure,wave-interference,light endoscope microscope (choose suitable to be used to observe very small object-characteristic),electricity - circuit calculate (cost of usage of the electrical energy)
ppr3 inertia-gergaji plasticine,ray box
我收到的,但不知道准不准…
有谁有bio的吗?