观察研究

• " i wanted to create a direct , closely observed study , " said artist sam taylor - wood who created the footage
  制作该片的艺术家萨姆?泰勒?伍德说： “我想进行直接的、近距离的观察研究。 ”
• Instead of being objects that arose only in the murky past , they can now be studied up close and in detail
  现在，球状星团不再像过去那样模糊黯淡，它们已经成为可被详细观察研究的对象。
• We analyzed data from the program to improve care in acute renal disease ( picard ) , a multi - center observational study of arf
  我们分析了来自改善急性肾脏疾病照护计划（ picard ） ? ?一个arf多中心观察研究的数据。
• The authors noted that prospective , randomized , placebo - controlled trials are needed to confirm the findings of this observational study
  作者指出，有必要进行前瞻性、随机、安慰剂对照试验来证实这一观察研究的结果。
• Gem is a research project launched by leading scholars in 1999 to measure , on an annual basis , entrepreneurship around the world
  全球创业观察研究计划由一群顶尖学者于一九九九年创办，每年评估世界各地的创业活动。
• The total number is 22 . 7 - 23 . 7 and 39 . 3 - 40 . 3 , respectively . pollen morphology of fifteen narcissus materials observed by optical microscope and sem
  利用光学显微镜和扫描电子显微镜对15份水仙材料的花粉形态进行观察研究。
• Video cytological image analysis system and micrography were adopted to examine vessel elements in secondary xylem of phyllanthus emblica
  摘要运用细胞图象分析系统及显微照相的方法，对余甘子次生木质部导管分子进行观察研究。
• Dissectible into 2 parts to reveal the cortex medulla , cortex vessels and renal pelvis . model can be removed from the stand for instruction and patient education
  模型可取下供仔细观察研究。用pvc制成，自然大小，分成2件。
• The vessel elements of secondary xylem in litchi chinensis are observed and studied by bio - microscope image analysis system and micrography
  摘要运用细胞图像分析系统及显微照相的方法，对荔枝次生木质部导管分子进行了观察研究。