The preparation of penicillin G sulfoxide p-nitrobenzyl ester from penicillin G was studied.
对青霉素G钾制备青霉素G亚砜对-硝基苄酯工艺进行了研究。
2.5G
英语例句库
Do you close out safari, open settings, traverse the menus and reenable the 3g?
你会不会关掉Safari，打开设置，扫遍菜单，重新启动3G呢？
The music modulates from G to D.
音乐自G调变至D调。
Let G be an infinite group. If G has a normal elementary abelian subgroup, then G is irrecognizable.
设G是无限群,若G存在正规初等交换子群,则G是不可分辨的.
I'll prescribe rimifon 0.1g three times a day and injections of streptomycin 1gm once a day.
我给你开药。雷米封0.1克一天3次，链霉素注射1克一天1次。
The hot dipping alumetizing technology for 20G seamless steel tube was studied.
对20G无缝钢管的热浸渗铝工艺进行了研究和试验。
Brasseur, G., Solomon, S., Aeronomy of the middle atmosphere(2nd ed.), D. Reidel Publishing Company, 1986.
霍尔顿，《动力气象学引论》，气象出版社，北京，1986。
The fruit is about 450g in weight, shiny and blue-green pericarp, alternating with straight stripe and nubble.
瓜长15厘米左右，单瓜重450克左右，皮色青绿有光泽，条圆瘤相间，条瘤粗直，肉厚，品质优。
Results A 13389G deletion in exon 6 was characterized in propositus, and this mutation led to frameshift.
结果先证者表现为抗凝血酶基因外显子6区13389G缺失,引起移码突变。
Prelude in G Major.
G大调序曲。
原声例句
聆听音乐（视频版）
So--but what was it? Was it a G?
那答案是什么 是G吗？
历年四级听力真题精听
They're designed for 3G networks because 4G coverage doesn't reach two thirds of Africa's customers.
它们是为3G网络设计的，因为4G网络还没有覆盖到非洲三分之二的用户。
生活大爆炸 第8季
Well, the G stands for " Graphics." That's a hard G, so I'd say " Gif."
图代表的是" 图片" 嘛。很明显啊，所以我认为是" 动图" 。
CNN 10 学生英语 2019年5月合集
When do you think that 6G will roll out?
你认为6G什么时候会推出？
透视百科综合类
So director Ron Howard put the an actual zero G for wider shots.
因此导演罗恩·霍华德为更宽的宽镜头设置了真正的零重力。
英语小霸王
Flew back on his G that night.
那他想要什么。
英文字母书写法
Next time we will write the letter 'G'.
下次我们要学习写字母 G。
火星救援 原声版
He pulled 12 G's on the ascent.
他刚经历了 12 个 G。
隐藏人物 原声版
Al, he has to override the 05g.
Al，他得切换手动操作，05g。
TED演讲（视频版）双语精选
You don't even have to be a G.
你甚至不需要是个绅士。
趣味故事集
All the G keys on our keyboards have disappeared.
键盘的 G 键都被拆掉了。
VOA Special 2019年3月合集
In the United States, some companies plan to launch 5G in major cities by this year.
美国一些公司计划今年年底前在主要城市推出5G技术。
Emma的美味英语
Okay, so a G can also be silent too!
好了，G 也可以是不发音的！
跟Hadar学美式发音
When in fact these are all N-G consonants.
而实际上这些都是 N-G 辅音。
中级英语短文
WiFi6 and mobile 5G networks are available aboard.
WiFi6 和移动 5G 网络可在船上使用。
VOA 常速 2016年4月合集
The feature harnesses the car's 4G LTE connectivity.
这一特点是利用了汽车的4G LTE连接功能。
CRI在线 2023年2月合集
The share of 5G rose to over 40 percent.
5G 流量增长，占比已超 40%。
中级英语短文
In 2020, China builds the world's largest 5G network.
2020 年，中国建成全球最大的 5G 网络。
哇哦英语
B I N G O. And Bingo was its name, oh.
B I N G O。宾果是它的名字，哦。
CNN 听力 2022年2月合集
So what companies are doing is phasing out 3G, their third-generation technology to make room for 5G.
因此，各家公司正在逐步淘汰3G，即他们的第三代技术，为5G腾出空间。
中文百科
2G 2G
（重定向自2.5G）
第二代移动通信技术，简称2G（Second Generation）。相对于前一代直接以模拟信号的方式进行语音传输，2G移动通信系统对语音系以数字化方式传输，除具有通话功能外，某些系统并引入了短信（SMS，Short message service）功能。在某些2G系统中也支持数据传输与传真，但因为速度缓慢，只适合传输量低的电子邮件、软件等信息。
2G技术基本上可依照采用的多路复用（Multiplexing）技术形式分成两类，一种是基于TDMA所发展出来的系统，以GSM为代表，另一种则是基于CDMA规格所发展出来的系统，例如cdmaOne。
英语百科
2G 2G
（重定向自2.5G）
2G (or 2-G) is short for second-generation wireless telephone technology. Second generation 2G cellular telecom networks were commercially launched on the GSM standard in Finland by Radiolinja (now part of Elisa Oyj) in 1991. Three primary benefits of 2G networks over their predecessors were that phone conversations were digitally encrypted; 2G systems were significantly more efficient on the spectrum allowing for far greater mobile phone penetration levels; and 2G introduced data services for mobile, starting with SMS text messages. 2G technologies enabled the various mobile phone networks to provide the services such as text messages, picture messages and MMS (multi media messages). All text messages sent over 2G are digitally encrypted, allowing for the transfer of data in such a way that only the intended receiver can receive and read it.
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