四重

Microscope examination showed that whitefly occurred in Beijing was B. tabaci rather than T. vaporariorium by vasiform orifice characters of the fourth instars.

根据北京重发区粉虱的形态特征，表明该粉虱应属烟粉虱，主要的鉴别特征是它们的四龄若虫腹背瓶形孔构造。

With the noble inheritance, Dong Guoyan is so gentle and elegant. She brought a big thick wooden plaque from his hometown of Dali to her MengYang tea factory in Xishuangbanna .Dong Guoyan would have not find a suitable place to hung it up ,or she may never have this idea . Lying quiet under the tea shelf which is full filled with tea, the plaque, which can be back to the era of Emperor Guang Xu of the Qing dynasty, and the golden varnished words carved in the plaque have never shown the brilliance of those days, but still record the glory of the Dong family of Dali, where Ms Dong enjoyed her life as a worriless and innocent maiden.

祖上就是书香门第的董国艳气度娴静温雅，她把一块厚重阔大的木匾从家乡大理搬到了她西双版纳勐养的国艳茶厂中，那木匾静静地横在一个满载茶品的茶架下，董国艳或者还没有找好悬挂它的地方，或者从没有想过把它挂起来，匾上&望重成均&四个大字如今金漆斑驳，不再显示当年辉煌显赫的意义，可这块光绪年间的木匾记录见证着大理董氏家族的兴衰沉浮，也记录见证着董国艳在大理度过的无忧的少女时光。

Methods The left anterior descending coronary artery was ligated and gas embolism was performed through vein tube inserted distal to the ligated site of LAD in 6 dogs,while 8 dogs underwent ligation of LAD.cTnI,CK,CK-MB,LDH and electrocardiographic parameters were evaluated before,and 30min,60min,90min,120min,and 180min after occlusion.

最后用红四氮唑和伊凡氏蓝染色确定心肌梗死区和缺血危险区并称其湿重，计算二者比值。结果结扎前降支血管后30、60、90、120、180min时间点，实验组cTnI、CK、NST和∑ST较对照组明显高，差异有统计学意义(P.05)，在部分时间点LDH、CK-MB亦升高(P.05)。实验组心肌梗死与缺血危险区比值(0.58±0.16)%较对照组(0.29±0.31)%明显高，差异有统计学意义(P.05)。对照组2例(25%)发生致死性室颤。

The heavy armored vehicle is supported by eight pairs of low-power repulsorlift skis along the rear section that constantly readjust to encountered terrain, propelled by four repulsorlift plates mounted under the forward carriage.

该重装甲车被装在尾部区域，始终调整自己以适应地形的八对低功率反重力装置支撑，由装在车架前方的四个反重力提升盘推动。16个起伏的skid盘（skid一词也是查遍了所有字典，包括专业的而没有合理的解释。

Go, go, go...Only then at Jiangxi at, eventually Shaanxi Wu Qi, carrying 30 kilograms of heavy blanket roll on the back everyday, on foot more than 30 kilometers -- this is two England youth Li Aide and Mapuan come 16 days from 2 years of 00 2 October 2 3 years 00 on November 3, full 384 days live condition, like a drowned mouse.

走，走，走……始于江西于都，终于陕西吴起，每天背着三十公斤重的背包，步行三十多公里——这就是两个英国年轻人李爱德和马普安从二00二年十月十六日至二00三年十一月三日，整整三百八十四天的生存状态，狼狈不堪。

They may be rated as the four unique abacuses in the world.

还有档位最多的算盘、最重的金属算盘、最小的算盘，堪称世界&四绝&。

Another line of four special coating equipment: all types of PA, PU waterproof paper velvet anti-flu flu candlelight wax coating, and another air breathable, coating weight of gold and silver, YPU, anti-UV, heat-resistant fire retardant, as well as the excellent Laguna plastic, DuPont Teflon, PVC and other calendered after the whole deal.

另有特种涂层设备线四条：各类PA，PU防绒防水纸感蜡感烛光涂层，另有透气透湿，克重涂金银，YPU，抗UV，防火阻燃耐热，以及优丽胶，杜邦特氟隆，PVC压延等后整处理。

5 And a part was the property of Hyrcanus, son of Tobias, a man who occupied a very high position. Contrary to the calumnies of the impious Simon, the total amounted to four hundred talents of silver and two hundred of gold.

还有一部分是位高望重的托彼雅的后裔依尔卡诺所寄存的；至于全库的财宝，并没有象邪恶的息孟传报的那样多，只有银子四百＂塔冷通＂金子二百＂塔冷通罢了。

Chars 4, set 2 details and reading.

著重从细节上把握识字课四的第二部分并坚持阅读汉字。

I was appalled when I picked it up—it weighed four stone and it clanked when I dropped it.

我把它拿起来的时候，我惊骇不已，那东西有四块大石头那么重，我把它放下的时候因为撞击它叮当作响。

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。