#include <iostream>
using namespace std;
 
int main() {
	// your code goes here
	return 0;
}

I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CgkvLyB5b3VyIGNvZGUgZ29lcyBoZXJlCglyZXR1cm4gMDsKfQ==

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

graph TD
        A[黄精道地产区样品采集] --> A1(根际土壤+块茎样品)
        A1 --> B1(土壤微生物高通量测序)
        A1 --> B2(块茎皂苷含量测定)
        B1 & B2 --> C[核心微生物类群识别]
        C --> D[关键微生物分离纯化与鉴定]
        D --> E[盆栽试验：微生物功能验证]
        E --> F[筛选优势菌株/复合菌群]
        F --> G1[转录组学分析：差异基因筛选]
        F --> G2[qRT-PCR：关键酶基因验证]
        F --> G3[激素及中间产物测定]
        G1 & G2 & G3 --> H[调控机制阐明]
        H --> I[微生物调控技术优化]
        I --> J[田间小试验证]
        J --> K[技术体系初步构建]