Traveler 4: Yes. I have been to Washington, D. C. I'm from Baltimore. Yes. I have sailed on a ship. The Fast Frigate. The Navy Fast Frigate.
游客4：是的，我去过华盛顿特区，我从巴尔的摩来。是的，我乘船航行过，乘的是“快舰号”。海军“快舰号”。
Traveler 4: Yes. I have been to Washington, D. C. I'm from Baltimore.
游客4：是的，我去过华盛顿特区。我从巴尔的摩来。
Five triterpenoids were isolated and their structures were identified to be cauloside C (1), akebiasaponin D (2), akebiasaponin F (3), ursolic acid (4) and hederagenin (5).
分离鉴定了5个三萜类化合物：葳岩仙皂苷C（1）、木通皂苷D（2）、木通皂苷F（3）、 熊果酸（4）和常春藤皂苷元（5）。
A town of northeast Virginia, a residential suburb of Washington, D. C. Population, 5, 4 '9.
美国弗吉尼亚东北部一城镇，华盛顿特区的居住郊区。人口5,4'9。
Railway applications - Fixed installations - DC switchgear - Part 4: Outdoor d. c. disconnectors, switch-disconnectors and earthing switches.
铁路应用- - -固定安装- - -DC开关设备- - -第4部分：室外d .c分连接器，开关-分连接器和接地开关。
The young German expects to be back at the factory in the coming days before undertaking a few days of pre-season testing. 4 d$ C.
这个年轻的德国人期待着在未来的几天回到工厂准备季前测试。
SONG J J, GUO D Y, DENG C, et al. Effect of incubated nucleation treatment on solidification microstructure of Au-Sn eutectic alloy[J]. Rare Metal Materials and Engineering, 2013, 42(4):756-760.
[4] 宋佳佳， 郭德燕，邓超，等。孕育形核处理对金锡共晶合金铸态凝固组织的影响[J]。稀有金属材料与工程， 2013，42（4）：756-760。
SONG J J, GUO D Y, DENG C, et al. Effect of incubated nucleation treatment on solidification microstructure of Au-Sn eutectic alloy[J]. Rare Metal Materials and Engineering, 2013, 42(4):756-760.
[4] 宋佳佳， 郭德燕，邓超，等。孕育形核处理对金锡共晶合金铸态凝固组织的影响[J]。稀有金属材料与工程， 2013，42（4）：756-760。
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