The sickness is characterized by sudden onset, coughing, dyspnea, fever, prostration, and rapid recovery . 此病特点是突然发作，咳嗽，呼吸困难，发热，虚弱，并很快康复。
These fibers are characterized by having high strengths, high elongations and good to excellent elastic recovery . 这些纤维的特点是具有高强力，高伸度和优异的弹性恢复。
An automobile is driven along a highway which is characterized by alternating speed zones of 15m/s and30m/s . 一汽车沿高速公路行驶。这公路交替地标出15米秒与30米秒的限速地段。
At the national level, the socio-economic conditions would be characterized by a degradation of the very essence of human dignity . 就一个国家来说，其社会--经济状况的恶化表现为人类尊严本质的堕落。
Necrotic posthitis is characterized by evertive swelling, edema and necrosis in the prepuce of feedlot steers and bulls . 坏死性仓皮炎以育牛场的阉牛和公牛中所出现的仓皮外翻性肿胀，水肿和坏死为特征。
In the open ocean above the deep sea bed, the vertical structure of the water mass is characterized by the presence of one of more thermoclines . 处于深海床之上的外洋中，水体的垂直结构的特点是存在一个或一个以上的温跃层。
Semipersistent, or transitory, transmission is characterized by the retention of plant, pathogens for periods ranging from a few hours to 1 to 2 days . 半持久性的或暂时的传播的特点是，保存植物病原物的时间为几小时至1-2天。
Because the beam formed by a tapered coupler is produced by many rays that emerge at slightly different angles, the outgoing beam is characterized by a relatively large divergence . 因为尖劈耦合器形成的光束是由许多出射角稍有不同的光线组成的，放出射光束的特点是具有较大的发散度。
The lake is characterized by its vast expanse of water 该湖以水域广阔为其特色。
