查询词典 overwintered

Pallidifascia were studied by indoor and outdoor trials. The results showed that the pest developed 4 generations a year and overwintered with larvae in Guangzhou, Guangdong province of China. The larva stage included 7 instars. It appeared sexual dimorphism on the adults. The egg, larva and pupa stages lasted 4-5 days, 32-34 days and 9-11 days at 26℃ respectively.

采用室内外养虫及林间调查相结合的方法观察木荷空舟蛾的生物学特性，观察结果如下：在广州1年可发生4代，以幼虫在土中越冬，幼虫分7龄，成虫有性二型现象；在26℃时，卵期4-5天，幼虫期32-34天，蛹期9-11天。

This pest has one generation per year. The larva overwintered in the soil, and pupated at the last ten days of March to the first ten days of April in the soil layer of 3-10cm under the ground. The pupal period ranged from 12 to 17 days.

此虫一年一代，以幼虫在土中越冬；翌年3月下旬至4月上旬在3—10厘米土层内化蛹，蛹期12—17天；4月中、下旬成虫出土上树取食桑芽和叶片，交尾后2—7天产卵在枝顶及春季剪梢口下段等处，每头雌成虫产卵44—205粒，卵期15—19天；初孵幼虫入土取食植物。

This study showed the annual occurrence of the firefly, Pyrocoelia analis . This survey was conducted in the Shilo area of Yunlin County from 1998 to 1999. The occurred fluctuation have shown male appeared from March to October. Low peak appeared from March to April and the high peak appeared from July to August annually. The larvae of various stages were overwintered from September to following February.

本研究调查西螺与新营二地台湾窗萤 Pyrocoelia analis (Fabricius 之周年发生变动情形，从云林县西螺地区调查(1998-1999)结果显示三月到十月间是雄虫之发生期，其中三月到四月间有一次小高峰期，七月到八月间有另一次大高峰期，十一月后至次年的二月间以幼虫越冬。

The meteorological conditions of Culex tritaeniorhynchus emerging in spring were not the same as that of the Anopheles sinensis which overwintered in local area but in conformity with the landing pattern of seasonal northward migratory insects,which were transported by the SW-air-current and the sinking airflow due to the passing through of the front with the rain-fall,or the shear of wind direction and the positive variations of atmospheric pressure.

结论三带喙库蚊春季首次出现的气象条件不同于已知在上海地区当地越冬的中华按蚊，而符合季节性迁飞昆虫北迁降落的气象条件：在迁飞虫源方向有西南气流输送，遇锋面过境伴降雨或风向切变及正变压，产生下沉气流，有利于迁飞昆虫北迁降落。

The result showed that the pest developed 7-8 generations per year and overwintered in leaf roll with larvae form in Fuzhou;the egg dura tion last 7.5 days,larva 15.4 days,pupa 7.5 days,preoviposition 1.7 days, the whole generation lasted 31.9 days when raised under 24.2 ℃ of indoor temerature during spring;and the whole generation was 24.8 days when raised under 28 .6℃ of indoor temperature during autumn.

室内自然变温下饲养：春季日均温在24.2℃时，卵期7.5 d、幼虫期15.4 d、蛹期7.3 d、产卵前期1.7 d，全世代历期共31.9 d；秋季日均温在28.6℃时，全世代历期为24.8 d。在福州地区龙眼园年发生7-8代，以幼虫在叶包中越冬。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。