This nuclear medicine bone scan reveals multiple areas of increased uptake, which are the darker foci, such as in the vertebral column representing metastases.
核素扫描显示多个病灶，脊柱周围颜色较深的病灶代表转移性病变。
The second hydrogen explosion in three days rocked Japan's stricken Fukushima Dai-ichi nuclear plant Monday, sending a massive column of smoke into the air and wounding 6 workers.
本周一，福岛第一核电站再次产生氢气爆炸，这是地震发生三天来的第二次爆炸。 一股浓烟凌空升起，造成6名工人受伤。
A pulsed extraction column with an annular cross section can successfully provide large-cross-section and can be made critically safe for nuclear operation.
具有环状截面的脉冲萃取柱可以有效地提供更大的柱截面积，并且保证核燃料的临界安全。
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