OSTabbr.科学与技术处(=office of science and technology)abbr.作战适用性试验(=operational suitability testing)osteo-表示“骨”之义(在元音前作oste-)

1. Blood supply reestablishment of avascular necrosis of femoral head with digital subtraction angiography.
   股骨头坏死血供重建的数字减影血管造影研究。
2. We expect that some patients should develop osteonecrosis on their previously intact hips.
   我们预期，应可以发现，有部分的病患，在原本健康的那一侧，产生股骨头坏死的现象。