It is clearly the effect of human activity.
人类活动的影响是很明显的。
Due to fewer rainfall, lean soil, serious soil and water loss and the long term negative effect of human activity, the ecological environment in hilly semi arid area is being degraded.
低山丘陵半干旱区气候干旱、土地贫瘠、水土流失严重，加上人类活动的长期负面影响，使得该地区生态环境不断恶化。
Today, we realize, perhaps more than ever, that the world of human activity also has its own "Butterfly Effect" — for better or for worse.
今天，我们认识到，或许比以往任何时候都认识到，人类活动世界也有自己的“蝴蝶效应”，是好是歹，都要面对。
PEATY wetlands emit about 1.3 billion tonnes of CO2 a year as a result of human activity that drains them and thus exposes them to the oxidative effect of the atmosphere.
作为人类活动的结果，含泥炭的湿地每年排放大约13亿吨二氧化碳。人类排干含泥炭湿地的水，从而使湿地暴露在空气中氧化。
Objective to study in vitro cytotoxic activity of NK-92 cells against human ovarian cancer cells and effect of irradiation on NK-92 cytotoxicity.
目的研究NK 92细胞对人卵巢癌细胞的体外杀伤活性以及放射线照射后对其杀伤活性的影响。
Objective to study cytotoxic activity of NK-92 cells against human nasopharyngeal carcinoma cells and effect of irradiation on NK-92 cytotoxicity in vitro.
目的研究NK- 92细胞对人鼻咽癌细胞的体外杀伤活性，以及放射线照射后对其杀伤活性的影响。
Objective To study the inhibitory effect of the extract of Oratosquilla on the secretion and activity of Gelatinases in human nasopharyngeal carcinoma cell line CNE-2Z.
目的研究口虾蛄提取物对人鼻咽癌细胞（CNE-2Z）明胶酶分泌及活性的抑制作用。
This work was mainly focused on the transcriptional regulation of human ACAT-1 gene P7 promoter activity, and the effect of fatty acids on human ACAT1 gene expression.
本论文工作着重进行人acat - 1基因P 7启动子活性调控和脂肪酸对人acat 1基因表达影响的两部分探索。
Objective: to probe into the effect of human sera on tumor cell aggregation and evaluate tumor cell agglutinating activity of human sera.
目的：探讨血清对肿瘤细胞凝集的影响以及血清凝集肿瘤细胞活性测定的意义。
Because of the effect of human being activity, a great deal of infield was transformed into non-infield, residential and industrial area, traffic utilization.
人类经济活动的影响，大量耕地转化为非农业用地，耕地的主要去向是居民点及工矿用地、交通用地。
According to Science and Technology Daily - U. S. scientists have recently discovered through a study of human T-cell protein in a loss of activity, with the effect of HIV resistance.
据科技日报讯美国科学家近日通过一项研究发现，人体T细胞中一种蛋白质失去活性后，具有抵抗艾滋病病毒的效果。
Objective: to study the effect of VEGF antisense RNA on the proliferation activity and apoptosis of human pituitary adenoma cells in vitro.
目的：研究血管内皮生长因子(VEGF)反义rna对体外培养人脑垂体瘤细胞增殖和凋亡的影响。
To illustrate the effect of podophyllic acid piperidyl hydrazone nitroxide radical(GP1)on cell cycle phase and telomerase activity in human hepatocellular carcinoma as well as its antitumor mechanism.
研究GP1 对人肝癌细胞细胞周期和端粒酶活性的影响，探讨其抗癌机制。
ObjectiveTo observe the influence of bioenergy archaeus essential on the human body serum ADH activity and the preventive and therapeutic effect on liver injury induced by drinking wine.
目的观察生物能活力素对人体血清adh活性的影响及对饮酒致肝损伤的防治作用。
Objective: To investigate the anti-proliferation effect and apoptosis-inducing activity of synthetic saponin in Solanum indicum L. on human hepatocarcinoma BEL-7402 cells.
目的：探讨合成紫花茄皂苷对BEL-7402细胞的增殖抑制及凋亡诱导作用。
Objective: To investigate the anti-proliferation effect and apoptosis-inducing activity of synthetic saponin in Solanum indicum L. on human hepatocarcinoma BEL-7402 cells.
目的：探讨合成紫花茄皂苷对BEL-7402细胞的增殖抑制及凋亡诱导作用。
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