基本释义
n.
六分仪
相关例句
sextant
3.I…found a sextant… "Now," I said, "they take the sun through this thing."
4.an instrument for measuring angles to a celestial body; similar to a sextant but with 45 degree calibration.
5.An instrument based on the principle of the sextant but employing only a45= angle, used as an aid in navigation.
6.A medieval instrument, now replaced by the sextant, that was once used to determine the altitude of the sun or other celestial bodies.
7.A targeted biopsy approach employing contrast-enhanced ultrasound microflow imaging (MFI) may increase the number of positive biopsies compared with systematic sextant biopsy, according to research from Thomas Jefferson University in Philadelphia.
8.Part 2: The positive rate of prostate biopsy was 26.1%. The pathologicstudy proved 30 BPH, 12 PCA, 3 prostatic intraepithelial neoplasia(PIN), 1 atypical adenomatous hyperplasia (AAH). No severecomplications were occurred among the patients who underwenttransrectal ultrasound guided sextant biopsies of the prostate.