From 69cbf8a2fe6c8735f234c7819af9112d72f24dc9 Mon Sep 17 00:00:00 2001
From: liurunyu <lry9898@163.com>
Date: 星期六, 13 九月 2025 10:39:42 +0800
Subject: [PATCH] 优化代码

---
 pipIrr-platform/pipIrr-web/pipIrr-web-model/src/main/java/com/dy/pipIrrModel/modelCalculate/Hargreaves.java |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/pipIrr-platform/pipIrr-web/pipIrr-web-model/src/main/java/com/dy/pipIrrModel/modelCalculate/Hargreaves.java b/pipIrr-platform/pipIrr-web/pipIrr-web-model/src/main/java/com/dy/pipIrrModel/modelCalculate/Hargreaves.java
index 17341b5..36965d6 100644
--- a/pipIrr-platform/pipIrr-web/pipIrr-web-model/src/main/java/com/dy/pipIrrModel/modelCalculate/Hargreaves.java
+++ b/pipIrr-platform/pipIrr-web/pipIrr-web-model/src/main/java/com/dy/pipIrrModel/modelCalculate/Hargreaves.java
@@ -108,7 +108,7 @@
      * @return
      */
     public static Double ET0(Double kc, Double maxT, Double minT, Double zenithRadiation){
-        Expression expression = new ExpressionBuilder("x * (0.0023 * (((a + b) / 2) + 17.8) * ((a + b)^(1/2)) * c * 0.408)")
+        Expression expression = new ExpressionBuilder("x * (0.0023 * (((a + b) / 2) + 17.8) * ((a - b)^(1/2)) * c * 0.408)")
                 .variables("x", "a", "b", "c")
                 .build();
         // 璁剧疆鍙橀噺鍊�

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