例句與造句

1. Chemical - shift magnetic resonance ( mr ) imaging is gradually accepted as a useful technique to distinguish benign adrenal lesions from malignant counterparts based on in - phase and out - of - phase gradient - echo pulse sequences
   摘要化學相差磁振造影中，順相及逆相脈沖序最之腫瘤訊號強度的變化，應用在臨床上分辨腎上腺良性或惡性腺瘤是有用且逐漸被接受的圖象診斷工具。
2. It's difficult to find echo pulses in a sentence. 用echo pulses造句挺難的