Pure honeybee spiroplasma was obtained by isolation and purification form the honeybees in R-2 medium.

经从病蜂身上分离，使用R—2培养基纯化培养，获得蜜蜂螺原体（以下简称螺原体）。

youdao

The mainland overtook Japan this year to become the world's No. 2 investor in R&D after the U.S.

中国大陆今年超过日本，成为世界上第2大研发领域投资国，仅次于美国。

youdao

We are specialized in the R&D and production of 2-color plastic injection auto dog leash.

我们尤其擅长于双色注塑成型自动牵狗器的研发与生产。

youdao

And we plug in our values and end up with mv squared mv^2/r-Ze^2/ over r minus Ze squared over And I am going to call this equation two.

我们最后的结果,就是,我把这称为方程式二。

麻省理工公开课 - 固态化学导论课程节选

I know the energy in this first pair would equal -e^2 That is just going to equal minus e squared over 4 pi epsilon zero r naught.

我们明白第一对的能量将会等于,等于,/4πε0，R圈。

麻省理工公开课 - 固态化学导论课程节选

If you want to write it as a vector equation, you want to write it as v square over r minus-- I want to say that it's pointing in the direction toward the center.

如果要写出矢量方程,就应该写成 -v^2 / r,也就是说,方向就向圆心

耶鲁公开课 - 基础物理课程节选

The letter was circulated by House Aviation Subcommittee Chairman Frank LoBiondo (R-2-FL) and Ranking Subcommittee Member Rick Larsen (D-2-WA), along with House General Aviation (GA) Caucus Co-Chairs Sam Graves (R-6-MO) and John Barrow (D-12-GA.).

FORBES: Mr. President, Are You Listening?

Atebodd y Dirprwy Weinidog Tai Joyce Watson AC nifer o gwestiynau am newidiadau arfaethedig llywodraeth glymblaid y DU i'r system budd-daliadau tai ar 2 Chwefror 2011.

BBC: Cwestiynau cynaliadwyedd

We test CD-ROM read performance with Testa Labs' CD-Tach 98 2.0 software, and we gauge CD-R performance by writing 430MB of data to CD-R twice: once from an image file and once on the fly.

CNN: Top 5 CD-rewritable drives