The fall armyworm was first detected in Central and Western Africa in early 2016 and quickly spread across virtually all of Sub-Saharan Africa.
这种威胁使WinntiGroup备受关注,并于2013年首次被发现。
This threat put the Winnti Group on the map and was first spotted in 2013.
这些线条首次被发现是当20世纪20年代开始开通飞越秘鲁沙漠的商业航班的时候。
The Nazca Lines were first spotted when commercial airlines began flying across the Peruvian desert in the 1920's.
当化石首次被发现和绘制时,他们的年龄是未知的。
When fossils were first discovered and mapped, their ages were unknown.
当它首次被发现时,有关该地区宏伟壮丽的故事就被当作谎言和高高的传说而流传下来。
When it was first discovered, stories of the magnificence of the area were passed off as lies and tall tales.
Ramnit首次被发现是在2010年,它自身附加到可执行文件和USB驱动器来感染其他计算机。
Ramnit was first detected in 2010, attaching itself to executable files and USB drives to infect additional computers.
没有人知道这个大面积的冰雪存在直到它于1820年首次被发现。
No one knew that Antarctica existed until it was first spotted in 1820.
这两个大裂口在2019年初首次被发现,并迅速增长到大约20公里长。
The two large rifts were first spotted in early 2019 and have each rapidly grown to approximately 20 km in length.
百忧解和它的类似药被称为选择性5-羟色胺再摄取抑制剂(SSRIs),在1972年首次被发现。
Prozac and its kin- drugs called selective serotonin reuptake inhibitors(SSRIs)- were first discovered in 1972.
宇宙膨胀速率在20世纪20年代首次被发现时,人们认为它的膨胀速度是625kps/Mpc。
When it was first discovered in the 1920s, the rate of expansion was thought to be 625 kps/Mpc.
没有人知道这个大面积的冰雪存在直到它于182毛囊宁0年首次被发现。
No one knew that this large area of ice and snow existed until it was first spotted in 1820.
枯萎病于7月份在委内瑞拉边境附近的省份首次被发现。
The wilt was first detected in July in the province near the border with Venezuela.
它们首次被发现于上世纪70年代,但直到去年人们才发现它们的快速位移奇观。
They were first spotted in the 1970s but it was only last year that their wanderlust was identified.
北京家族菌株基因型在北京首次被发现,在俄罗斯比较流行,每年大约有150,000人感染此病。
Strains of the Beijing family(this genotype was first discovered in Beijing) are prevalent in Russia- every year about 150,000 people are infected with it.
大鼠戊型肝炎病毒(ratHEV)于2010年首次被发现,并在家鼠和下水道鼠中传播。
The rat hepatitis E virus was first discovered in 2010, and circulates among house rats and sewer rats.
当它在200年前首次被发现时,我们认为它实际上是两颗恒星在双星系统中一起运行。
When it was first discovered some 200 years ago, we thought that it was actually two stars orbiting together in a binary system.
刚果民主共和国是埃博拉于1976年首次被发现的地方,当时该国被称为扎伊尔。
The DRC is where Ebola was first discovered in 1976, when the country was called Zaire.
宇宙膨胀速率在20世纪20年代首次被发现时,人们认为它的膨胀速度是625kps/Mpc。
When it was first discovered in the 1920s, an expansion of 625 kps/ Mpc was assumed.
Ptahmes墓于1885年首次被发现,可惜之后被流沙掩盖,直到2010年才重新被发现。
The tomb of Ptahmes was first discovered in 1885, after which it was covered by drifting sands and then rediscovered in 2010.
RNAi的故事可以追溯到20年前:该方法首次被发现。
The story of RNAi goes back 20 years to when the method was first discovered.
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