The sequence of rape flower bud differentiation is
A: A. Main stem, primary branch, secondary branch
B: B, primary branch, secondary branch, main stem
C: C. Secondary branching, primary branching, main stem
D: D, simultaneous differentiation
A: A. Main stem, primary branch, secondary branch
B: B, primary branch, secondary branch, main stem
C: C. Secondary branching, primary branching, main stem
D: D, simultaneous differentiation
举一反三
- The stock market main two sections are: A: Primary and secondary B: Real time and future time C: Primary and Real time D: Secondary and future time
- When there is a load, the main magnetic flux of the transformer is generated by ( ). A: Primary current I1 B: Secondary current I2 C: Primary current I1 andSecondary current I2 together D: Neither primary current I1 nor secondary currentI2
- For primary and secondary education, there are two main categories of school: State Schools and Independent Schools.
- What are the main sources of marketing research information？: higher research|primary research|secondary research|thirdly research
- In exploring data for a research proposal, sources can be divided into ____________.primary A: primary source and secondary source B: first source and second source C: direct source and indirect source D: main source and minor source