骤降

• Iron burning cannot happen since it takes energy to do so . therefore , as more and more iron is formed in the core , the pressure there decreases rapidly
  由于继续燃烧铁的核反应反而需要能量，所以恒星核心产生能量的能力便会戛然而止，核心的压力骤降。
• After the soviet union collapsed , so did the brown bear population of the kamchatka peninsula . in this untamed frontier , poaching keeps the bears at risk
  苏联解体以后，堪察加半岛的棕熊数量也出现了骤降。在这块蛮荒的边疆地带，偷猎让棕熊处于一个危险的境地。
• The method has perfect effect on calculating the voltage swell and sag , voltage notch and frequency deviation . numerous simulations also prove the effectiveness of the method
  对于电压骤升骤降、电压缺口以及频率偏移，该计算方法也有很好的效果，大量的仿真结果证明了这一点。
• People suffering from chronic illnesses such as heart disease , asthma , or bronchitis , should visit their doctor for a physical examination when the weather turns cold
  呼吸道疾病、心脏病、哮喘等慢性疾病患者在天气骤降前必须先到医生处检查身体，取足够药物定时服用，以防万一。
• He alternately employs such contrasts as between light and shade between largeness and diminution between openness and seclusion and between elevation and depression
  园林的主人巧妙的运用对比的手法来制造与众不同的视觉效果：例如明亮与灰暗，放大与缩小，开阔与隐居，陡升与骤降等等。
• Influenced by cold air arriving at jinan recently , the relatively high temperature of the spring produced beautiful scene of steamy vapours as the steam rose against cold air
  近日，受冷空气影响济南气温骤降，泉水温度大大高于气温，蒸发的水汽上升遇冷形成“云雾” ，再现“云雾润蒸”景观。
• The next two days saw a sharp drop in temperature in hong kong , and the fellow initiates again set out for the yen - chow street overpass to distribute thick cotton - padded coats and scarves to more street people
  往后的两天气温骤降，同修再次前往钦州街天桥一带，为更多的露宿者派发厚棉袄和颈巾。
• Speical attention should be paid to prevention of inspiratory regurgitation , supine hopotension syndrome , and cyclic fluctuation caused by sudden reduced abdomenal pressure
  结论麻醉方法以全麻为宜，术中应预防误吸，仰卧位低血压综合征等，加强呼吸和循环管理，重点防止因腹压骤降所引起的循环波动。