词汇	玄紺
释义	玄紺 xuán gàn青黑而带红之色。玄绀
随便看	projection matrix projection measurement Projection mechanism projectionmeter projection meter projection method projection method a projection method e projection methodology Projection methods projection method with Hessian matrix projection microradiograph projection microradiography projection microscop projection microscope projection microscopy projection mind projection minimum distance projection mode projection model projection moire projection moire technique projection moment invariant projection MR angiography projection nerve