Grade IV: The malignant tissue has cells that look most abnormal and tend to grow quickly.
第四级：有恶性组织细胞看起来最不正常的，而且往往增长迅速。
The oral test for college English majors-Grade IV( OTEM4) has gradually been popularized nation-wide.
英语四级口试逐步在全国范围内推广。
Objective To investigate the treatment of grade iv leucopenia after chemotherapy in patients with carcinoma.
目的研究肿瘤患者化疗后iv度白细胞减少的综合救治方法。
Note: a All figures from 1996 to 2003 covered the construction enterprises as legal persons at Grade IV and above.
注：1.1996 - 2003年全部指标为四级及四级以上的法人建筑施工企业。
After all, grade II astrocytomas are much less common than WHO grade IV glioblastomas in middle aged or elderly patients.
其实，中老年人的WHO分类的星形细胞瘤ii级远比星形细胞瘤级IV少见的多。
IV-grade indicates the water is only suitable for industrial use and other amusement purposes that do not involve the liquid coming into contact with skin.
IV地表水主要适用于工业用水及人体非直接接触的娱乐用水区。
For patients with acute ischemic stroke, we recommend against full-dose anticoagulation with IV, sc, or LMWHs or heparinoids (Grade 1b).
对于急性缺血性卒中患者，推荐不用全量抗凝，静脉输注或皮下注射低分子量肝素或类肝素(1b级)。
The measurement of serum collagen IV is very important for assessment of grade of hepatic fibrosis and prognosis of chronic hepatitis.
血清IV型胶原的测定对慢性肝病纤维化严重程度和预后的判断有重要临床意义。
(Chlorinated Polyvinyl Chloride) CPVC conforming to ASTM D-1784, Classification 23447-B, formerly designated Type IV, Grade 1, is a resin created by the postchlorination of a PVC polymer.
（氯化聚氯乙烯）CPVC符合ASTMD-1784，类别23447-B标准，以前定义为IV类别，等级1，是由PVC聚合物进行后氯化处理后产生的一种树脂。
Adverse outcomes, defined as death, sustained ventricular tachycardia (VT), and increase in New York Heart Association functional class to grade II or IV, occurred in 21% of patients.
确定死亡、持续性室性心动过速、纽约心功能分级增加到II或IV级等负性结果发生率为21%。
Adverse outcomes, defined as death, sustained ventricular tachycardia (VT), and increase in New York Heart Association functional class to grade II or IV, occurred in 21% of patients.
确定死亡、持续性室性心动过速、纽约心功能分级增加到II或IV级等负性结果发生率为21%。
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