As the annual national "two sessions" approach, China is expected to send strong and fresh signals on pushing high-quality development, leveraging greater policy and reform support to ensure steady ...
Click the photo and watch the video. SHANGHAI, Dec. 3 (Xinhua) — Ismet Himmet, with his Chinese name You Lihan, speaks fluent Chinese and has devoted more than thirty years to Chinese martial arts.
某利尿新药拟进行II期临床试验，与阳性药按1：1的比例安排例数，考察24h新药利尿量（ml）是否相当于阳性药，根据以往的疗效和统计学的一般要求，取α=0.05，β=0.20，等效标准δ=60ml，新药与阳性对照药利尿量的差值为-20ml，已知两组共同标准差为180ml，问每组 ...
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